CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Opening statistics

This page shows how many games in our database were played from various known openings. The table also shows average draw percentage and white score we observed in our games.

ECOOpeningNumber
of
games
DrawsWhite
score
Commented
PGN
C54Giuoco Piano, Moeller, bayonet attack10.0%100.0%
E23Nimzo-Indian, Spielmann, Staahlberg variation10.0%100.0%
C52Evans gambit, Sanders-Alapin variation20.0%100.0%
C29Vienna gambit, Wurzburger trap20.0%100.0%
C12French, MacCutcheon, Tartakower variation20.0%100.0%
C33KGA, Carrera (Basman) gambit10.0%100.0%
B40Sicilian, Marshall variation10.0%100.0%
C46Three knights, Winawer defence (Gothic defence)10.0%100.0%
A10English, Jaenisch gambit20.0%100.0%
C27Vienna, `Frankenstein-Dracula' variation10.0%100.0%
B01Scandinavian, Anderssen counter-attack, Collijn variation10.0%100.0%
A00Amsterdam attack10.0%100.0%
C52Evans gambit, Waller attack60.0%100.0%
C55Two knights, Max Lange attack, Loman defence10.0%100.0%
B01Scandinavian, Anderssen counter-attack orthodox attack10.0%100.0%
B62Sicilian, Richter-Rauzer, Richter attack10.0%100.0%
C39KGA, Kieseritsky, Brentano (Campbell) defence10.0%100.0%
A04Reti, Herrstroem gambit20.0%100.0%
C57Two knights defence, Fegatello attack, Polerio defence30.0%100.0%
D08QGD, Albin counter-gambit, Lasker trap10.0%100.0%
C44Scotch gambit, Hanneken variation10.0%100.0%
C51Evans gambit, Goering attack10.0%100.0%
C51Evans gambit, Fraser attack20.0%100.0%
C39KGA, Kieseritsky, Brentano defence10.0%100.0%
D40QGD, Semi-Tarrasch, Levenfish variation10.0%100.0%
C80Ruy Lopez, open, Harksen gambit10.0%100.0%
C23Bishop's opening, Calabrese counter-gambit, Jaenisch variation30.0%100.0%
C45Scotch, Paulsen attack10.0%100.0%
C32KGD, Falkbeer, main line, 7...Bf5616.7%91.7%
C67Ruy Lopez, Berlin defence, Trifunovic variation520.0%90.0%
D43QGD semi-Slav, Hastings variation520.0%90.0%
C00Lengfellner system520.0%90.0%
D53QGD, Lasker variation425.0%87.5%
D18QGD Slav, Dutch, Lasker variation425.0%87.5%
D08QGD, Albin counter-gambit, Balogh variation728.6%85.7%
B01Scandinavian, Kiel variation728.6%85.7%
C06French, Tarrasch, Leningrad variation1717.6%85.3%
B00Reversed Grob (Borg/Basman defence/macho Grob)1631.3%84.4%
C43Petrov, Urusov gambit633.3%83.3%
C32KGD, Falkbeer, Keres variation333.3%83.3%
C89Ruy Lopez, Marshall, Herman Steiner variation333.3%83.3%
A46Queen's pawn, Torre attack, Wagner gambit333.3%83.3%
C42Petrov, French attack333.3%83.3%
C30KGD, Norwalde variation147.1%82.1%
A82Dutch, Balogh defence837.5%81.3%
C13French, classical, Frankfurt variation837.5%81.3%
B40Sicilian, Pin, Koch variation4325.6%80.2%
C82Ruy Lopez, open, 9.c350.0%80.0%
D66QGD, Orthodox defence, Bd3 line, fianchetto variation742.9%78.6%
A61Benoni, fianchetto variation1414.3%78.6%
A42Modern defence, Averbakh system, Randspringer variation90.0%77.8%
D41QGD, Semi-Tarrasch, San Sebastian variation2437.5%77.1%
C70Ruy Lopez, Alapin's defence deferred1533.3%76.7%
C41Philidor, Hanham, Delmar variation450.0%75.0%
C41Philidor, Philidor counter-gambit, Zukertort variation650.0%75.0%
C23Bishop's opening, Wing gambit250.0%75.0%
C13French, Albin-Alekhine-Chatard attack, Teichmann variation250.0%75.0%
C83Ruy Lopez, open, Breslau variation250.0%75.0%
A04Reti, Lisitsin gambit deferred1816.7%75.0%
C37KGA, Salvio gambit250.0%75.0%
E60King's Indian, Danube gambit250.0%75.0%
A02Bird's opening, Swiss gambit250.0%75.0%
B01Scandinavian, Richter variation250.0%75.0%
C51Evans gambit450.0%75.0%
B01Scandinavian defence, Gruenfeld variation40.0%75.0%
C00French, Alapin variation650.0%75.0%
C42Petrov, classical attack, Tarrasch variation250.0%75.0%
E23Nimzo-Indian, Spielmann, San Remo variation650.0%75.0%
B03Alekhine's defence, Balogh variation1030.0%75.0%
C82Ruy Lopez, open, Motzko attack, Nenarokov variation650.0%75.0%
C53Giuoco Piano, close variation2231.8%75.0%
C51Evans counter-gambit250.0%75.0%
A81Dutch, Leningrad, Basman system450.0%75.0%
C64Ruy Lopez, classical defence, Charousek variation450.0%75.0%
C52Evans gambit, compromised defence4420.5%73.9%
C41Philidor, Hanham, Schlechter variation1931.6%73.7%
C34KGA, Schallop defence1931.6%73.7%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.dc1526.7%73.3%
D65QGD, Orthodox defence, Rubinstein attack, main line1154.5%72.7%
A74Benoni, classical, 9...a6, 10.a42045.0%72.5%
C58Two knights defence, Paoli variation933.3%72.2%
D48QGD semi-Slav, Meran, Pirc variation955.6%72.2%
B04Alekhine's defence, modern, Keres variation4533.3%72.2%
A75Benoni, classical with ...a6 and 10...Bg45028.0%72.0%
B40Sicilian, Pin variation (Sicilian counter-attack)1442.9%71.4%
C70Ruy Lopez, Schliemann defence deferred1926.3%71.1%
B34Sicilian, accelerated fianchetto, exchange variation1747.1%70.6%
C13French, Albin-Alekhine-Chatard attack, Spielmann variation5742.1%70.2%
C60Ruy Lopez, Cozio defence, Paulsen variation3525.7%70.0%
B12de Bruycker defence520.0%70.0%
A02Bird, Hobbs gambit560.0%70.0%
D51QGD, Manhattan variation1040.0%70.0%
C31KGD, Falkbeer, Nimzovich variation560.0%70.0%
C30KGD, Keene's defence560.0%70.0%
C31KGD, Falkbeer, Rubinstein variation520.0%70.0%
C40Gunderam defence7129.6%69.7%
C41Philidor, Nimzovich, Rellstab variation2846.4%69.6%
C67Ruy Lopez, Berlin defence, Winawer attack2832.1%69.6%
C51Evans gambit, Paulsen variation1827.8%69.4%
C17French, Winawer, advance, Rauzer variation837.5%68.8%
C30KGD, Mafia defence837.5%68.8%
C29Vienna gambit, Kaufmann variation837.5%68.8%
C82Ruy Lopez, open, Berlin variation1637.5%68.8%
C31KGD, Falkbeer, 4.d3862.5%68.8%
A09Reti accepted, Keres variation4032.5%68.8%
A56Czech Benoni defence28127.8%68.7%
B03Alekhine's defence, four pawns attack, Trifunovic variation5935.6%68.6%
D83Gruenfeld, Gruenfeld gambit1931.6%68.4%
C39KGA, Kieseritsky, Neumann defence1163.6%68.2%
A77Benoni, classical, 9...Re8, 10.Nd212226.2%68.0%
A43Old Benoni, Mujannah formation3138.7%67.7%
D63QGD, Orthodox defence, Pillsbury attack1741.2%67.6%
C20Alapin's opening1729.4%67.6%
A40Beefeater defence3423.5%67.6%
C36KGA, Abbazia defence (classical defence, modern defence[!])3737.8%67.6%
B03Alekhine's defence, four pawns attack, 7.Be310935.8%67.4%
B74Sicilian, dragon, classical, Alekhine variation2347.8%67.4%
D16QGD Slav accepted, Alapin variation16138.5%67.1%
C41Philidor, Hanham, Steiner variation2138.1%66.7%
A59Benko gambit, main line11741.0%66.7%
C40QP counter-gambit, Maroczy gambit366.7%66.7%
E51Nimzo-Indian, 4.e3, Ragozin variation2138.1%66.7%
C41Philidor, Philidor counter-gambit, del Rio attack30.0%66.7%
C44Scotch, Relfsson gambit ('MacLopez')666.7%66.7%
D51QGD, Capablanca anti-Cambridge Springs variation1266.7%66.7%
C45Scotch, Horwitz attack2433.3%66.7%
B85Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6366.7%66.7%
C58Two knights defence, Blackburne variation30.0%66.7%
E37Nimzo-Indian, classical, San Remo variation30.0%66.7%
C58Two knights defence, Kieseritsky variation633.3%66.7%
C12French, MacCutcheon, Dr. Olland (Dutch) variation4825.0%66.7%
C13French, classical, Vistaneckis (Nimzovich) variation90.0%66.7%
D86Gruenfeld, exchange, Larsen variation30.0%66.7%
D33QGD, Tarrasch, Wagner variation922.2%66.7%
C41Philidor, Nimzovich, Sokolsky variation666.7%66.7%
B13Caro-Kann, Panov-Botvinnik, Reifir (Spielmann) variation366.7%66.7%
D25QGA, Flohr variation6929.0%66.7%
B15Caro-Kann, Gurgenidze counter-attack366.7%66.7%
C49Four knights, Svenonius variation366.7%66.7%
C92Ruy Lopez, closed, Kholmov variation11930.3%66.4%
E99King's Indian, orthodox, Aronin-Taimanov, Benko attack5523.6%66.4%
A56Czech Benoni, King's Indian system4012.5%66.3%
D44QGD semi-Slav, anti-Meran, Lilienthal variation16130.4%66.1%
C41Philidor, Larsen variation3122.6%66.1%
C03French, Tarrasch, Guimard variation6229.0%66.1%
C13French, Albin-Alekhine-Chatard attack, Breyer variation7240.3%66.0%
E54Nimzo-Indian, 4.e3, Gligoric system, Smyslov variation1968.4%65.8%
C82Ruy Lopez, open, Italian variation8948.3%65.7%
C82Ruy Lopez, open, St. Petersburg variation19141.4%65.7%
C44Ponziani, Fraser defence5141.2%65.7%
A44Old Benoni defence1643.8%65.6%
A86Dutch with c4 & g38736.8%65.5%
C37KGA, King's knight's gambit1369.2%65.4%
A52Budapest, Alekhine variation1323.1%65.4%
B05Alekhine's defence, modern variation, 4...Bg457932.6%65.2%
C96Ruy Lopez, closed, Keres (...Nd7) defence20137.8%65.2%
B03Alekhine's defence, four pawns attack23431.2%65.2%
B01Scandinavian defence, Lasker variation11332.7%65.0%
A56Benoni defence, Hromodka system38624.4%65.0%
B79Sicilian, dragon, Yugoslav attack, 12.h41030.0%65.0%
C80Ruy Lopez, open, Riga variation1050.0%65.0%
E36Nimzo-Indian, classical, Botvinnik variation1030.0%65.0%
A25English, closed, Taimanov variation2010.0%65.0%
A42Modern defence, Averbakh system, Kotov variation11024.5%65.0%
D97Gruenfeld, Russian, Levenfish variation1030.0%65.0%
D67QGD, Orthodox defence, Bd3 line, 11.O-O4736.2%64.9%
A03Bird's opening, Williams gambit2733.3%64.8%
B56Sicilian, Venice attack5437.0%64.8%
E91King's Indian, 6.Be257432.8%64.8%
C96Ruy Lopez, closed (10...c5)63332.9%64.6%
A63Benoni, fianchetto, 9...Nbd77234.7%64.6%
C60Ruy Lopez (Spanish opening)3125.8%64.5%
B76Sicilian, dragon, Yugoslav attack, Rauser variation90133.5%64.5%
C92Ruy Lopez, closed, Ragozin-Petrosian (`Keres') variation29142.3%64.4%
C70Ruy Lopez, Taimanov (chase/wing/accelerated counterthrust) variation12938.8%64.3%
C47Four knights, Scotch, Krause variation3537.1%64.3%
D31QGD, Alapin variation742.9%64.3%
C13French, Albin-Alekhine-Chatard attack, Maroczy variation1428.6%64.3%
B27Sicilian, Quinteros variation3537.1%64.3%
A51Budapest defence declined742.9%64.3%
C48Four knights, Ranken variation1442.9%64.3%
A99Dutch, Ilyin-Genevsky variation with b39234.8%64.1%
A89Dutch, Leningrad, main variation with Nc635936.2%64.1%
B33Sicilian, Pelikan, Bird variation22538.2%64.0%
C05French, Tarrasch, Botvinnik variation4330.2%64.0%
A97Dutch, Ilyin-Genevsky, Winter variation7936.7%63.9%
D46QGD semi-Slav, Romih variation16936.7%63.9%
B05Alekhine's defence, modern, Flohr variation11637.9%63.8%
A76Benoni, classical, 9...Re89839.8%63.8%
A42Pterodactyl defence32036.9%63.8%
D26QGA, classical, Steinitz variation4052.5%63.8%
D16QGD Slav, Steiner variation20837.0%63.7%
C17French, Winawer, advance, 5.a335831.3%63.7%
C00St. George defence11049.1%63.6%
C00French, Reversed Philidor formation1136.4%63.6%
C96Ruy Lopez, closed (8...Na5)2254.5%63.6%
B64Sicilian, Richter-Rauzer, Rauzer attack, Geller variation1136.4%63.6%
A22English, Bellon gambit1136.4%63.6%
E62King's Indian, fianchetto, Simagin variation8135.8%63.6%
C30KGD, classical, 4.c33729.7%63.5%
B06Robatsch defence, three pawns attack13730.7%63.5%
A60Benoni defence11524.3%63.5%
B42Sicilian, Kan, Gipslis variation7839.7%63.5%
A59Benko gambit4143.9%63.4%
C40QP counter-gambit (elephant gambit)1560.0%63.3%
D51QGD1560.0%63.3%
D83Gruenfeld, Gruenfeld gambit, Botvinnik variation1573.3%63.3%
D08QGD, Albin counter-gambit, Alapin variation1560.0%63.3%
C00French, Wing gambit3444.1%63.2%
C97Ruy Lopez, closed, Chigorin defence74130.9%63.2%
C18French, Winawer, advance variation44126.5%63.2%
D81Gruenfeld, Russian variation33143.5%63.1%
A67Benoni, Taimanov variation22125.8%63.1%
C49Four knights, double Ruy Lopez6141.0%63.1%
C80Ruy Lopez, open, Bernstein variation84747.1%63.1%
A61Benoni defence46931.8%63.0%
C89Ruy Lopez, Marshall, main line, 12.d2d420842.3%63.0%
C88Ruy Lopez, closed, 8.c32737.0%63.0%
A16English, Anglo-Gruenfeld, Czech defense16234.6%63.0%
D07QGD, Chigorin defence, Janowski variation8534.1%62.9%
C19French, Winawer, advance, poisoned pawn, Konstantinopolsky variation54529.4%62.9%
C99Ruy Lopez, closed, Chigorin, 12...c5d490640.3%62.9%
A92Dutch defence, Alekhine variation3540.0%62.9%
E40Nimzo-Indian, 4.e3, Taimanov variation7135.2%62.7%
C55Two knights, Max Lange attack, Marshall variation825.0%62.5%
C12French, MacCutcheon, Duras variation425.0%62.5%
A00Grob, Romford counter-gambit425.0%62.5%
C43Petrov, modern attack, Bardeleben variation425.0%62.5%
C31KGD, Falkbeer, Tartakower variation475.0%62.5%
C67Ruy Lopez, Berlin defence, Rosenthal variation2450.0%62.5%
A40Queen's pawn, Charlick (Englund) gambit2045.0%62.5%
D63QGD, Orthodox defence, Swiss (Henneberger) variation8843.2%62.5%
E79King's Indian, Four pawns attack, main line825.0%62.5%
A00Ware (Meadow Hay) opening425.0%62.5%
C41Philidor, Hanham variation3237.5%62.5%
C37KGA, Muzio gambit, Brentano defence425.0%62.5%
C55Two knights, Max Lange attack, Steinitz variation1241.7%62.5%
B00KP, Colorado counter425.0%62.5%
D08QGD, Albin counter-gambit, Janowski variation425.0%62.5%
A81Dutch, Leningrad, Karlsbad variation475.0%62.5%
C44Konstantinopolsky opening850.0%62.5%
E89King's Indian, Saemisch, orthodox main line2832.1%62.5%
D49QGD semi-Slav, Meran, Rellstab attack1637.5%62.5%
C52Evans gambit, compromised defence, Paulsen variation1625.0%62.5%
A00Global opening425.0%62.5%
C33KGA, bishop's gambit, Lopez-Gianutio counter-gambit425.0%62.5%
C83Ruy Lopez, open, Malkin variation1258.3%62.5%
E37Nimzo-Indian, classical, Noa variation, main line, 7.Qc227746.2%62.5%
A44Semi-Benoni (`blockade variation')10131.7%62.4%
C70Ruy Lopez, Classical defence deferred8544.7%62.4%
D87Gruenfeld, exchange, Seville variation7754.5%62.3%
C44Scotch gambit4531.1%62.2%
D46QGD semi-Slav, 6.Bd33737.8%62.2%
A72Benoni, classical without 9.O-O6243.5%62.1%
A96Dutch, classical variation18335.5%62.0%
A40Queen's pawn, English defence17541.7%62.0%
B03Alekhine's defence8433.3%61.9%
E62King's Indian, fianchetto, Larsen system27041.5%61.9%
D60QGD, Orthodox defence, Rauzer variation3844.7%61.8%
C40Latvian counter-gambit7631.6%61.8%
A80Dutch, Manhattan (Alapin, Ulvestad) variation1741.2%61.8%
C10French, Frere (Becker) variation1741.2%61.8%
B16Caro-Kann, Bronstein-Larsen variation44730.9%61.7%
A58Benko gambit, fianchetto variation14944.3%61.7%
B00Owen defence27733.9%61.7%
B27Sicilian, Katalimov variation12845.3%61.7%
B69Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 11.Bxf67732.5%61.7%
B04Alekhine's defence, modern, Schmid variation14638.4%61.6%
E69King's Indian, fianchetto, classical main line42133.5%61.6%
A52Budapest, Alekhine, Abonyi variation5626.8%61.6%
B06Robatsch defence, Two knights variation30633.7%61.6%
D20QGA, Linares variation8235.4%61.6%
B42Sicilian, Kan, Swiss cheese variation25135.5%61.6%
D88Gruenfeld, Spassky variation, main line, 10...cd, 11.cd19542.1%61.5%
D86Gruenfeld, exchange, Simagin's lesser variation3930.8%61.5%
D34QGD, Tarrasch, Reti variation2661.5%61.5%
C47Four knights, Scotch variation1315.4%61.5%
E60Queen's pawn, Mengarini attack3531.4%61.4%
A51Budapest, Fajarowicz variation3525.7%61.4%
C98Ruy Lopez, closed, Chigorin, 12...Nc613631.6%61.4%
C49Four knights, symmetrical, Capablanca variation2259.1%61.4%
C31KGD, Nimzovich counter-gambit2259.1%61.4%
D28QGA, classical, 7.Qe26251.6%61.3%
A41Old Indian, Tartakower (Wade) variation87934.9%61.3%
D06QGD, Grau (Sahovic) defence11136.0%61.3%
B82Sicilian, Scheveningen, Tal variation10335.0%61.2%
A90Dutch defence, Dutch-Indian (Nimzo-Dutch) variation19335.2%61.1%
E90King's Indian, Larsen variation8140.7%61.1%
E98King's Indian, orthodox, Aronin-Taimanov, 9.Ne184626.7%61.1%
B32Sicilian, Flohr variation20732.4%61.1%
B07Pirc, Holmov system1844.4%61.1%
A93Dutch, stonewall, Botwinnik variation9933.3%61.1%
C44Ponziani, Reti variation1833.3%61.1%
C25Vienna, Pierce gambit955.6%61.1%
A90Dutch defence95639.3%61.1%
C19French, Winawer, advance, Smyslov variation14926.8%61.1%
C82Ruy Lopez, open, Dilworth variation15941.5%61.0%
B00KP, Nimzovich defence44633.6%61.0%
B61Sicilian, Richter-Rauzer, Larsen variation, 7.Qd239638.1%61.0%
D32QGD, Tarrasch, von Hennig-Schara gambit6041.7%60.8%
C25Vienna game24534.3%60.8%
C19French, Winawer, advance, poisoned pawn variation242033.7%60.7%
B04Alekhine's defence, modern variation22633.6%60.6%
B09Pirc, Austrian attack17541.1%60.6%
E62King's Indian, fianchetto, Kavalek (Bronstein) variation53632.6%60.5%
C12French, MacCutcheon, Bernstein variation1926.3%60.5%
B07Pirc, 150 attack22837.7%60.5%
E99King's Indian, orthodox, Aronin-Taimanov, main line1926.3%60.5%
C33KGA, bishop's gambit, Morphy variation1926.3%60.5%
B04Alekhine's defence, modern, Larsen variation77942.2%60.5%
C05French, Tarrasch, closed variation95131.2%60.5%
E94King's Indian, orthodox, 7...Nbd788034.0%60.5%
B10Caro-Kann, anti-Caro-Kann defence51433.5%60.5%
E09Catalan, closed, main line21034.3%60.5%
E96King's Indian, orthodox, 7...Nbd7, main line4341.9%60.5%
B98Sicilian, Najdorf, Browne variation4327.9%60.5%
C30King's gambit9144.0%60.4%
E62King's Indian, fianchetto, lesser Simagin (Spassky) variation27437.6%60.4%
D17QGD Slav, Carlsbad variation46837.4%60.4%
E38Nimzo-Indian, classical, 4...c556537.9%60.4%
D97Gruenfeld, Russian variation with e42931.0%60.3%
C67Ruy Lopez, Berlin defence, Minckwitz variation3948.7%60.3%
D18QGD Slav, Dutch variation25940.9%60.2%
E60King's Indian, Anti-Gruenfeld4434.1%60.2%
B10Caro-Kann, Two knights variation30438.2%60.2%
C61Ruy Lopez, Bird's defence17241.3%60.2%
A52Budapest, Rubinstein variation34940.7%60.2%
A17English, Queens Indian formation21736.4%60.1%
C83Ruy Lopez, open, classical defence16349.1%60.1%
B36Sicilian, accelerated fianchetto, Gurgenidze variation25244.8%60.1%
B01Scandinavian, Marshall variation53544.7%60.1%
D08QGD, Albin counter-gambit11441.2%60.1%
D98Gruenfeld, Russian, Smyslov variation23841.2%60.1%
E76King's Indian, Four pawns attack21937.9%60.0%
D32QGD, Tarrasch defence, 4.cd ed2040.0%60.0%
C37KGA, Salvio gambit, Anderssen counter-attack50.0%60.0%
E64King's Indian, fianchetto, Yugoslav system9035.6%60.0%
C81Ruy Lopez, open, Howell attack, Ekstroem variation1040.0%60.0%
C80Ruy Lopez, open, Friess attack1020.0%60.0%
D72Neo-Gruenfeld, 5.cd, main line17534.3%60.0%
C49Four knights, Janowski variation1540.0%60.0%
A92Dutch, stonewall variation7048.6%60.0%
C61Ruy Lopez, Bird's defence, Paulsen variation540.0%60.0%
E78King's Indian, Four pawns attack, with Be2 and Nf3540.0%60.0%
A66Benoni, pawn storm variation540.0%60.0%
B09Pirc, Austrian attack, 6.Bd3110539.6%59.9%
E68King's Indian, fianchetto, classical variation, 8.e4118638.7%59.9%
B32Sicilian, Labourdonnais-Loewenthal variation21241.5%59.9%
E94King's Indian, orthodox, Donner variation17736.2%59.9%
E71King's Indian, Makagonov system (5.h3)66934.7%59.8%
C41Philidor's defence22035.9%59.8%
A21English, Smyslov defence3630.6%59.7%
C53Giuoco Piano, centre-holding variation3636.1%59.7%
D52QGD, Cambridge Springs defence, Capablanca variation3636.1%59.7%
E73King's Indian, 5.Be23141.9%59.7%
C04French, Tarrasch, Guimard main line33129.3%59.7%
C80Ruy Lopez, open (Tarrasch) defence5745.6%59.6%
B29Sicilian, Nimzovich-Rubinstein variation67441.8%59.6%
A28English, four knights, Stean variation8342.2%59.6%
C30KGD, 2...Nf62626.9%59.6%
C06French, Tarrasch, closed variation, main line98937.7%59.6%
B60Sicilian, Richter-Rauzer, Larsen variation14129.8%59.6%
B81Sicilian, Scheveningen, Keres attack217934.3%59.6%
D75Neo-Gruenfeld, 6.cd Nxd5, 7.O-O c5, 8.Nc38949.4%59.6%
C12French, MacCutcheon, Lasker variation, 8...g637235.8%59.5%
B44Sicilian, Szen variation, Dely-Kasparov gambit2161.9%59.5%
C50King's pawn game21036.2%59.5%
B12Caro-Kann, 3.Nd214742.9%59.5%
B07Pirc, Ufimtsev-Pytel variation34939.3%59.5%
C87Ruy Lopez, closed, Averbach variation24542.0%59.4%
A13English, Kurajica defence6431.3%59.4%
A12English, Bled variation1643.8%59.4%
B08Pirc, classical, h3 system37938.0%59.4%
E87King's Indian, Saemisch, orthodox, 7.d524727.1%59.3%
E08Catalan, closed, 7.Qc28639.5%59.3%
A61Benoni, Nimzovich (knight's tour) variation35528.5%59.3%
C42Petrov, classical attack, close variation13545.9%59.3%
E15Queen's Indian, Buerger variation2737.0%59.3%
D06QGD, Marshall defence13044.6%59.2%
A56Benoni defence58034.3%59.2%
A70Benoni, classical with e4 and Nf355339.6%59.2%
B00St. George (Baker) defence3839.5%59.2%
C42Petrov, classical attack, Mason variation11443.0%59.2%
C65Ruy Lopez, Berlin defence, 4.O-O16342.3%59.2%
D15QGD Slav, Schlechter variation27342.9%59.2%
C12French, MacCutcheon, Lasker variation20327.6%59.1%
C45Scotch, Romanishin variation5545.5%59.1%
C53Giuoco Piano, LaBourdonnais variation1127.3%59.1%
A43Old Benoni, Franco-Benoni defence9935.4%59.1%
A42Modern defence, Averbakh system37533.3%59.1%
C70Ruy Lopez, Caro variation8341.0%59.0%
B06Robatsch defence, Gurgenidze variation5038.0%59.0%
B00KP, Nimzovich defence, Bogolyubov variation10032.0%59.0%
A43Old Benoni defence136635.2%59.0%
D66QGD, Orthodox defence, Bd3 line24047.1%59.0%
E02Catalan, open, 5.Qa413446.3%59.0%
A04Reti v Dutch95334.6%58.9%
D09QGD, Albin counter-gambit, 5.g39642.7%58.9%
D99Gruenfeld defence, Smyslov, main line16439.6%58.8%
E33Nimzo-Indian, classical, Milner-Barry (Zurich) variation26638.0%58.8%
A58Benko gambit accepted65133.8%58.8%
D95Gruenfeld with e3 & Qb31747.1%58.8%
E62King's Indian, fianchetto, Uhlmann (Szabo) variation25032.8%58.8%
D97Gruenfeld, Russian, Byrne (Simagin) variation12037.5%58.8%
E19Queen's Indian, old main line, 9.Qxc3130945.5%58.7%
A84Dutch defence, Rubinstein variation26335.4%58.7%
E82King's Indian, Saemisch, double fianchetto variation9232.6%58.7%
C30KGD, classical variation4626.1%58.7%
B03Alekhine's defence, four pawns attack, fianchetto variation11532.2%58.7%
D68QGD, Orthodox defence, classical, 13.d1c2 (Vidmar)4656.5%58.7%
E92King's Indian, Gligoric-Taimanov system142133.7%58.7%
C72Ruy Lopez, modern Steinitz defence, 5.O-O37044.3%58.6%
A17English, Queens Indian, Romanishin variation5827.6%58.6%
A02Bird, From gambit, Lasker variation2955.2%58.6%
A18English, Mikenas-Carls, Flohr variation30237.7%58.6%
D25QGA, Smyslov variation9352.7%58.6%
C64Ruy Lopez, Cordel gambit6442.2%58.6%
C41Philidor, Nimzovich variation4143.9%58.5%
D63QGD, Orthodox defence8846.6%58.5%
B06Robatsch defence, Two knights, Suttles variation99238.2%58.5%
E16Queen's Indian, Yates variation32337.2%58.5%
A79Benoni, classical, 11.f35330.2%58.5%
D15QGD Slav, Suechting variation13032.3%58.5%
D16QGD Slav, Smyslov variation6533.8%58.5%
E17Queen's Indian, old main line, 6.O-O79242.2%58.5%
C41Philidor, exchange variation69336.7%58.4%
E70King's Indian, 4.e486533.2%58.4%
A18English, Mikenas-Carls variation10147.5%58.4%
D11QGD Slav, Breyer variation11344.2%58.4%
A55Old Indian, main line41138.4%58.4%
B09Pirc, Austrian attack, dragon formation75238.8%58.4%
D44QGD semi-Slav, anti-Meran gambit75335.2%58.4%
C18French, Winawer, classical variation28133.5%58.4%
B36Sicilian, accelerated fianchetto, Maroczy bind89744.7%58.4%
C10French, Paulsen variation61733.4%58.3%
C49Four knights, Nimzovich (Paulsen) variation5457.4%58.3%
C17French, Winawer, advance variation5442.6%58.3%
C35KGA, Cunningham, Euwe defence1827.8%58.3%
D33QGD, Tarrasch, Folkestone (Swedish) variation4254.8%58.3%
D94Gruenfeld, Flohr defence1850.0%58.3%
B08Pirc, classical (two knights) system48637.7%58.3%
B03Alekhine's defence, exchange, Karpov variation650.0%58.3%
C31KGD, Falkbeer, 3...e4683.3%58.3%
C29Vienna gambit, Paulsen attack683.3%58.3%
C14French, classical, Stahlberg variation650.0%58.3%
E88King's Indian, Saemisch, orthodox, 7.d5 c630732.6%58.3%
E97King's Indian, orthodox, Aronin-Taimanov, bayonet attack123035.3%58.3%
B06Robatsch defence60337.3%58.3%
A40Queen's pawn, Lundin (Kevitz-Mikenas) defence15130.5%58.3%
E77King's Indian, Four pawns attack10932.1%58.3%
C42Petrov, classical attack, Jaenisch variation161945.8%58.2%
B09Pirc, Austrian attack, 6.Be327331.5%58.2%
D17QGD Slav, Krause attack66339.5%58.2%
C67Ruy Lopez, Berlin defence, Cordel variation5536.4%58.2%
C43Petrov, modern attack, main line19646.9%58.2%
D97Gruenfeld, Russian, Szabo (Boleslavsky) variation19643.9%58.2%
B42Sicilian, Kan, 5.Bd3170137.4%58.1%
E70King's Indian, Kramer system32030.0%58.1%
E15Queen's Indian, Rubinstein variation11737.6%58.1%
E10Blumenfeld counter-gambit, Spielmann variation7435.1%58.1%
A95Dutch, stonewall with Nc321629.2%58.1%
B39Sicilian, accelerated fianchetto, Breyer variation61140.6%58.1%
B75Sicilian, dragon, Yugoslav attack24729.6%58.1%
A20English, Nimzovich variation6839.7%58.1%
B49Sicilian, Taimanov variation60644.9%58.1%
B03Alekhine's defence, exchange variation59440.1%58.1%
C14French, classical, Rubinstein variation3138.7%58.1%
E80King's Indian, Saemisch variation31033.5%58.1%
B01Scandinavian defence85640.9%58.1%
D02Queen's pawn game, Chigorin variation38540.8%58.1%
B01Scandinavian, Pytel-Wade variation257144.4%58.0%
B23Sicilian, chameleon variation56735.6%58.0%
B60Sicilian, Richter-Rauzer, Bondarevsky variation2552.0%58.0%
E75King's Indian, Averbakh, main line5024.0%58.0%
B53Sicilian, Chekhover, Zaitsev variation5024.0%58.0%
A43Old Benoni, Schmid's system2520.0%58.0%
C14French, classical, Steinitz variation67135.2%58.0%
A16English, Anglo-Gruenfeld defense, Korchnoi variation8836.4%58.0%
B62Sicilian, Richter-Rauzer, 6...e64438.6%58.0%
C44Ponziani counter-gambit10743.0%57.9%
C91Ruy Lopez, closed, 9.d4120339.1%57.9%
B60Sicilian, Richter-Rauzer60135.3%57.9%
A97Dutch, Ilyin-Genevsky variation3826.3%57.9%
A12English, Torre defensive system3842.1%57.9%
C55Two knights, Max Lange attack1942.1%57.9%
E11Bogo-Indian defence, Nimzovich variation138238.4%57.9%
A92Dutch defence5149.0%57.8%
D94Gruenfeld, 5.e340845.1%57.8%
C21Centre game14743.5%57.8%
C82Ruy Lopez, open, Motzko attack6446.9%57.8%
B40Sicilian, Anderssen variation74440.6%57.8%
C16French, Winawer, advance variation72534.8%57.8%
D63QGD, Orthodox defence, 7.Rc121235.4%57.8%
D55QGD, Neo-orthodox variation, 7.Bh413544.4%57.8%
B82Sicilian, Scheveningen, 6.f445032.0%57.8%
A40Modern defence84937.3%57.8%
D52QGD12941.1%57.8%
E60King's Indian, 3.Nf3260339.6%57.7%
B27Sicilian, Hungarian variation327341.1%57.7%
D41QGD, Semi-Tarrasch, 5.cd59847.8%57.7%
C67Ruy Lopez, Berlin defence, Zukertort variation1353.8%57.7%
B05Alekhine's defence, modern, Panov variation1323.1%57.7%
A39English, symmetrical, main line with d441041.7%57.7%
D19QGD Slav, Dutch variation128339.0%57.7%
D97Gruenfeld, Russian, Prins variation43743.0%57.7%
A32English, symmetrical variation34742.1%57.6%
E83King's Indian, Saemisch, Panno formation18442.4%57.6%
B58Sicilian, Boleslavsky, Louma variation4637.0%57.6%
C65Ruy Lopez, Berlin defence, Beverwijk variation48035.6%57.6%
C19French, Winawer, advance, positional main line102030.7%57.6%
C66Ruy Lopez, Berlin defence, hedgehog variation9952.5%57.6%
D26QGA, classical variation, 6.O-O15246.7%57.6%
B83Sicilian, modern Scheveningen, main line with Nb38636.0%57.6%
B02Alekhine's defence, Maroczy variation8636.0%57.6%
B38Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3106244.3%57.5%
B98Sicilian, Najdorf variation33230.1%57.5%
D21QGA, 3.Nf324641.9%57.5%
D34QGD, Tarrasch, Prague variation, 9.Bg553947.5%57.5%
B52Sicilian, Canal-Sokolsky attack, Bronstein gambit19339.4%57.5%
C96Ruy Lopez, closed, Borisenko defence4040.0%57.5%
C95Ruy Lopez, closed, Breyer, Simagin variation2035.0%57.5%
C44Inverted Hungarian2045.0%57.5%
C51Evans gambit declined2015.0%57.5%
D55QGD, 6.Nf312035.0%57.5%
C12French, MacCutcheon, Janowski variation13437.3%57.5%
C00French defence49733.6%57.4%
B00King's pawn opening128037.0%57.4%
E40Nimzo-Indian, 4.e312828.9%57.4%
C93Ruy Lopez, closed, Smyslov defence15538.7%57.4%
D25QGA, Janowsky-Larsen variation33738.9%57.4%
B07Robatsch defence, Geller's system58037.2%57.4%
C63Ruy Lopez, Schliemann defence29043.8%57.4%
A57Benko gambit half accepted77639.3%57.4%
B63Sicilian, Richter-Rauzer, Rauzer attack13536.3%57.4%
A54Old Indian, Ukrainian variation, 4.Nf319637.2%57.4%
A88Dutch, Leningrad, main variation with c681839.2%57.4%
C11French, Steinitz, Boleslavsky variation322535.2%57.4%
B04Alekhine's defence, modern, fianchetto variation63734.1%57.4%
E46Nimzo-Indian, 4.e3 O-O6132.8%57.4%
C10French, Fort Knox variation59040.2%57.4%
D06QGD, symmetrical (Austrian) defence3450.0%57.4%
D94Gruenfeld, Smyslov defence15747.1%57.3%
C19French, Winawer, advance, 6...Ne728035.4%57.3%
B33Sicilian, Pelikan, Chelyabinsk variation204135.9%57.3%
B07Pirc, Byrne variation32332.8%57.3%
D68QGD, Orthodox defence, classical variation6947.8%57.2%
C42Petrov three knights game24237.6%57.2%
D07QGD, Chigorin defence70635.7%57.2%
D76Neo-Gruenfeld, 6.cd Nxd5, 7.O-O Nb649944.3%57.2%
D17QGD Slav, Wiesbaden variation60442.2%57.2%
C42Petrov, classical attack, Chigorin variation55641.0%57.2%
E08Catalan, closed, Spassky gambit728.6%57.1%
B01Scandinavian, Icelandic gambit5646.4%57.1%
D40QGD, Semi-Tarrasch defence, Pillsbury variation2835.7%57.1%
C14French, classical, Tarrasch variation70.0%57.1%
C41Philidor, Nimzovich, Klein variation785.7%57.1%
E10Dzindzikhashvili defence6354.0%57.1%
B68Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 9...Be710530.5%57.1%
A47Queen's Indian, Marienbad system, Berg variation1457.1%57.1%
B21Sicilian, Andreaschek gambit1442.9%57.1%
C11French, Swiss variation4247.6%57.1%
C94Ruy Lopez, closed, Breyer defence4233.3%57.1%
E60King's Indian defence63036.5%57.1%
E33Nimzo-Indian, classical, 4...Nc67048.6%57.1%
A73Benoni, classical, 9.O-O4928.6%57.1%
E63King's Indian, fianchetto, Panno variation209837.8%57.1%
B15Caro-Kann, Gurgenidze system29539.0%57.1%
E90King's Indian, 5.Nf379533.5%57.1%
B01Scandinavian (centre counter) defence246042.0%57.1%
B41Sicilian, Kan, Maroczy bind (Reti variation)43036.5%57.1%
B09Pirc, Austrian attack, 6.e58543.5%57.1%
C25Vienna, Paulsen variation7834.6%57.1%
C63Ruy Lopez, Schliemann defence, Berger variation35542.0%57.0%
A41Modern defence7135.2%57.0%
E26Nimzo-Indian, Saemisch variation6442.2%57.0%
D19QGD Slav, Dutch variation, main line20041.0%57.0%
C74Ruy Lopez, modern Steinitz defence5038.0%57.0%
B28Sicilian, O'Kelly variation31539.0%57.0%
A49King's Indian, fianchetto without c4103240.7%57.0%
D46QGD semi-Slav, Bogolyubov variation15843.0%57.0%
C51Evans gambit, 5...Be73636.1%56.9%
B08Pirc, classical system, 5.Be2217638.6%56.9%
D22QGA, Alekhine defence21741.0%56.9%
C42Petrov, classical attack, Marshall variation93443.6%56.9%
B12Caro-Kann, Edinburgh variation2944.8%56.9%
D84Gruenfeld, Gruenfeld gambit accepted5151.0%56.9%
A14English, Symmetrical, Keres defence51147.6%56.8%
A68Benoni, four pawns attack7334.2%56.8%
C41Philidor, Improved Hanham variation92038.9%56.8%
C02French, advance, Wade variation32939.5%56.8%
A81Dutch defence305938.2%56.8%
C12French, MacCutcheon, Grigoriev variation2240.9%56.8%
C77Ruy Lopez, Morphy defence, Duras variation4440.9%56.8%
B13Caro-Kann, Panov-Botvinnik, normal variation8850.0%56.8%
D42QGD, Semi-Tarrasch, 7.Bd325043.2%56.8%
B73Sicilian, dragon, classical, Richter variation10343.7%56.8%
C44Scotch, Goering gambit18444.0%56.8%
C09French, Tarrasch, open variation, main line103149.0%56.8%
D52QGD, Cambridge Springs defence, Yugoslav variation36939.3%56.8%
B32Sicilian, Labourdonnais-Loewenthal (Kalashnikov) variation112239.6%56.8%
A78Benoni, classical with ...Re8 and ...Na63737.8%56.8%
C90Ruy Lopez, closed, Lutikov variation3748.6%56.8%
E66King's Indian, fianchetto, Yugoslav Panno30433.9%56.7%
D20QGA, 3.e4273940.2%56.7%
D83Gruenfeld, Gruenfeld gambit, Capablanca variation20146.8%56.7%
B45Sicilian, Taimanov variation180938.3%56.7%
A50Kevitz-Trajkovich defence32138.6%56.7%
B19Caro-Kann, classical, Spassky variation262839.6%56.7%
D92Gruenfeld, 5.Bf466044.8%56.7%
C66Ruy Lopez, closed Berlin defence, Wolf variation6056.7%56.7%
A50Queen's Indian accelerated16549.1%56.7%
E10Blumenfeld counter-gambit, Dus-Chotimursky variation16533.3%56.7%
A94Dutch, stonewall with Ba34551.1%56.7%
C03French, Tarrasch193944.8%56.7%
A13English, Neo-Catalan accepted106145.6%56.6%
E18Queen's Indian, old main line, 7.Nc3152843.5%56.6%
A05Reti, King's Indian attack, Reti-Smyslov variation5337.7%56.6%
C42Petrov, classical attack72147.4%56.6%
E00Queen's pawn game38941.1%56.6%
A86Dutch, Leningrad variation14534.5%56.6%
C48Four knights, Spanish variation22250.9%56.5%
D35QGD, exchange variation36043.1%56.5%
D85Gruenfeld, exchange variation263348.1%56.5%
E56Nimzo-Indian, 4.e3, main line with 7...Nc632552.6%56.5%
C95Ruy Lopez, closed, Breyer, Borisenko variation71239.9%56.5%
E45Nimzo-Indian, 4.e3, Bronstein (Byrne) variation18650.5%56.5%
B96Sicilian, Najdorf, Polugayevsky, Simagin variation3122.6%56.5%
D24QGA, Bogolyubov variation15548.4%56.5%
C43Petrov, modern (Steinitz) attack3148.4%56.5%
B43Sicilian, Kan, 5.Nc3268238.9%56.4%
B07Pirc defence154937.8%56.4%
B57Sicilian, Sozin, not Scheveningen21841.3%56.4%
B54Sicilian, Prins (Moscow) variation39036.9%56.4%
C64Ruy Lopez, classical defence, Benelux variation 38339.2%56.4%
B12Caro-Kann, advance variation941238.1%56.4%
C92Ruy Lopez, closed, Flohr-Zaitsev system (Lenzerheide variation)185638.7%56.4%
A53Old Indian defence91838.7%56.4%
E15Queen's Indian, Nimzovich variation (exaggerated fianchetto)1367440.4%56.4%
C66Ruy Lopez, closed Berlin defence, Showalter variation5547.3%56.4%
A36English, symmetrical variation11038.2%56.4%
A40Queen's pawn, Franco-Indian (Keres) defence93038.5%56.3%
D62QGD, Orthodox defence, 7.Qc2 c5, 8.cd (Rubinstein)14250.7%56.3%
D64QGD, Orthodox defence, Rubinstein attack (with Rc1)9545.3%56.3%
E60King's Indian, 3.g3145742.1%56.3%
B06Robatsch (modern) defence532536.5%56.3%
D90Gruenfeld, Flohr variation25538.0%56.3%
B00Lemming defence837.5%56.3%
A58Benko gambit, Nd2 variation837.5%56.3%
C41Philidor, Philidor counter-gambit837.5%56.3%
E72King's Indian with e4 & g35633.9%56.3%
D74Neo-Gruenfeld, 6.cd Nxd5, 7.O-O20044.5%56.3%
A53Old Indian, Janowski variation12032.5%56.3%
B74Sicilian, dragon, classical, Spielmann variation837.5%56.3%
C21Danish gambit, Soerensen defence3262.5%56.3%
C86Ruy Lopez, Worrall attack2454.2%56.3%
E49Nimzo-Indian, 4.e3, Botvinnik system18446.2%56.3%
D71Neo-Gruenfeld, 5.cd28946.7%56.2%
A65Benoni, 6.e430726.4%56.2%
D45QGD semi-Slav, 5.e339640.2%56.2%
D48QGD semi-Slav, Meran, Reynolds' variation74240.0%56.1%
D34QGD, Tarrasch, Prague variation, Normal position65448.0%56.1%
B02Alekhine's defence, Scandinavian variation17240.1%56.1%
E97King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)391933.0%56.1%
B71Sicilian, dragon, Levenfish variation4129.3%56.1%
D28QGA, classical, 7...b519751.3%56.1%
E16Queen's Indian, Capablanca variation33740.4%56.1%
A57Benko gambit61737.0%56.1%
C01French, exchange, Svenonius variation3339.4%56.1%
D30QGD, Capablanca variation3333.3%56.1%
A40Queen's pawn, Keres defence163544.5%56.1%
C69Ruy Lopez, exchange, Gligoric variation66141.9%56.1%
B30Sicilian, Nimzovich-Rossolimo attack (without ...d6)410837.9%56.0%
A13English, Romanishin gambit24841.1%56.0%
D52QGD, Cambridge Springs defence, Bogoljubow variation39046.9%56.0%
A84Dutch defence52439.1%56.0%
B31Sicilian, Nimzovich-Rossolimo attack (with ...g6, without ...d6)262041.0%56.0%
C55Two knights defence (Modern bishop's opening)122438.6%56.0%
D44QGD semi-Slav, Botvinnik system (anti-Meran)7537.3%56.0%
E16Queen's Indian, Riumin variation20041.0%56.0%
B32Sicilian defence76239.0%56.0%
C90Ruy Lopez, closed, Suetin variation6737.3%56.0%
A62Benoni, fianchetto variation69735.9%56.0%
B63Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7108537.2%55.9%
B48Sicilian, Taimanov variation301937.1%55.9%
A54Old Indian, Ukrainian variation9349.5%55.9%
D85Gruenfeld, modern exchange variation303746.4%55.9%
A30English, symmetrical, hedgehog system256746.9%55.9%
C70Ruy Lopez, fianchetto defence deferred3458.8%55.9%
C77Ruy Lopez, Morphy defence19639.3%55.9%
D70Neo-Gruenfeld defence19638.3%55.9%
D34QGD, Tarrasch, Prague variation, 7...Be717143.9%55.8%
B52Sicilian, Canal-Sokolsky attack, Sokolsky variation75343.7%55.8%
B77Sicilian, dragon, Yugoslav attack, 9...Bd719742.6%55.8%
B11Caro-Kann, Two knights, 3...Bg478040.4%55.8%
B65Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9...Nxd451540.6%55.8%
A90Dutch-Indian, Alekhine variation4337.2%55.8%
C75Ruy Lopez, modern Steinitz defence, Rubinstein variation6936.2%55.8%
E73King's Indian, Semi-Averbakh system2642.3%55.8%
C34KGA, Bonsch-Osmolovsky variation2634.6%55.8%
E11Bogo-Indian defence, Gruenfeld variation185940.4%55.8%
C58Two knights defence17436.8%55.7%
E10Queen's pawn game390045.3%55.7%
B20Sicilian, wing gambit, Marshall variation6129.5%55.7%
A38English, symmetrical variation50645.1%55.7%
E61King's Indian defence, 3.Nc375237.2%55.7%
E54Nimzo-Indian, 4.e3, Gligoric system with 7...dc118148.8%55.7%
C45Scotch, Meitner variation3554.3%55.7%
E95King's Indian, orthodox, 7...Nbd7, 8.Re132435.5%55.7%
C77Ruy Lopez, four knights (Tarrasch) variation14945.6%55.7%
A50Queen's pawn game56238.1%55.7%
D27QGA, classical, Rubinstein variation142347.6%55.7%
E15Queen's Indian, 4.g3207446.6%55.7%
D11QGD Slav, 3.Nf3209640.6%55.7%
D25QGA, 4.e39735.1%55.7%
C15French, Winawer (Nimzovich) variation69841.7%55.7%
A31English, symmetrical, Benoni formation88540.8%55.6%
E74King's Indian, Averbakh, 6...c524934.9%55.6%
C15French, Winawer, Alekhine (Maroczy) gambit16937.9%55.6%
C02French, advance variation110532.7%55.6%
D30Queen's gambit declined569945.6%55.6%
B67Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7266933.3%55.6%
B85Sicilian, Scheveningen, classical main line34246.8%55.6%
B02Alekhine's defence, Steiner variation944.4%55.6%
D40QGD, Semi-Tarrasch, symmetrical variation944.4%55.6%
C71Ruy Lopez, modern Steinitz defence, Duras (Keres) variation10844.4%55.6%
B72Sicilian, dragon, classical, Nottingham variation1844.4%55.6%
C23Bishop's opening, Philidor variation944.4%55.6%
D15QGD Slav, Slav gambit1822.2%55.6%
C64Ruy Lopez, classical defence, 4.c325340.7%55.5%
D13QGD Slav, exchange variation67845.9%55.5%
C89Ruy Lopez, Marshall counter-attack, 11...c617245.9%55.5%
A16English, Anglo-Gruenfeld, Smyslov defense15431.8%55.5%
E67King's Indian, fianchetto, classical variation47340.0%55.5%
E91King's Indian, Kazakh variation29236.3%55.5%
C10French, Rubinstein variation208448.9%55.5%
D73Neo-Gruenfeld, 5.Nf378051.4%55.4%
E55Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation180247.9%55.4%
D60QGD, Orthodox defence9232.6%55.4%
D11QGD Slav, 4.e3381742.5%55.4%
D86Gruenfeld, exchange, classical variation102745.6%55.4%
B51Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack151239.0%55.4%
C49Four knights, symmetrical variation18643.0%55.4%
B14Caro-Kann, Panov-Botvinnik attack, 5...e6173246.4%55.4%
B74Sicilian, dragon, classical, Reti-Tartakower variation8446.4%55.4%
B25Sicilian, closed, 6.f4 e5 (Botvinnik)2846.4%55.4%
D20Queen's gambit accepted86946.3%55.4%
C44Scotch gambit, Benima defence4734.0%55.3%
B33Sicilian, Pelikan (Lasker/Sveshnikov) variation93135.2%55.3%
D10QGD Slav defence, exchange variation139644.7%55.3%
E39Nimzo-Indian, classical, Pirc variation90738.9%55.3%
A52Budapest, Adler variation15247.4%55.3%
D70Neo-Gruenfeld (Kemeri) defence3842.1%55.3%
C57Two knights defence, Lolli attack1936.8%55.3%
C71Ruy Lopez, modern Steinitz defence10541.9%55.2%
D37QGD, classical variation (5.Bf4)393744.9%55.2%
C65Ruy Lopez, Berlin defence, Nyholm attack6756.7%55.2%
D35QGD, Harrwitz attack19251.0%55.2%
B41Sicilian, Kan variation20241.1%55.2%
E00Catalan opening301142.7%55.2%
A15English, 1...Nf6 (Anglo-Indian defense)106939.9%55.2%
A40Queen's pawn198837.1%55.2%
E81King's Indian, Saemisch, 5...O-O196233.8%55.2%
B07Pirc, bayonet (Mariotti) attack2955.2%55.2%
D31QGD, 3.Nc374842.1%55.1%
D10QGD Slav defence, Alekhine variation24340.3%55.1%
E70King's Indian, accelerated Averbakh system10733.6%55.1%
A25English, closed system (without ...d6)11728.2%55.1%
A22English, Carls' Bremen system36240.1%55.1%
D27QGA, classical, 6...a6375850.6%55.1%
C13French, Albin-Alekhine-Chatard attack25530.2%55.1%
C27Vienna game10845.4%55.1%
D30QGD Slav27545.5%55.1%
E17Queen's Indian, Euwe variation5952.5%55.1%
C78Ruy Lopez, Archangelsk (counterthrust) variation150742.3%55.1%
A46Queen's pawn game273040.7%55.1%
D90Gruenfeld, Three knights variation49547.9%55.1%
A87Dutch, Leningrad, main variation30739.7%55.0%
E44Nimzo-Indian, Fischer variation, 5.Ne232737.3%55.0%
D87Gruenfeld, exchange, Spassky variation49942.7%55.0%
B54Sicilian66938.0%55.0%
E90King's Indian, Zinnowitz variation3050.0%55.0%
A45Queen's pawn, Bronstein gambit1030.0%55.0%
C45Scotch, Steinitz variation4035.0%55.0%
E72King's Indian, Pomar system1030.0%55.0%
B15Caro-Kann, Forgacs variation21041.4%55.0%
C46Three knights, Steinitz variation3043.3%55.0%
C23Bishop's opening, Classical variation5038.0%55.0%
D94Gruenfeld with e3 Bd32040.0%55.0%
C51Evans gambit, Morphy attack2040.0%55.0%
B46Sicilian, Taimanov variation302138.4%55.0%
D96Gruenfeld, Russian variation22142.1%55.0%
A10English opening247237.8%55.0%
C16French, Winawer, Petrosian variation19131.4%55.0%
A34English, symmetrical, three knights system110742.2%55.0%
A41Old Indian defence71532.7%55.0%
E11Bogo-Indian defence141239.5%55.0%
D47QGD semi-Slav, Meran variation123149.6%55.0%
E62King's Indian, fianchetto with ...Nc622235.1%55.0%
C42Petrov, Nimzovich attack108045.3%55.0%
B78Sicilian, dragon, Yugoslav attack, 10.O-O-O30328.7%55.0%
B06Robatsch defence, Pseudo-Austrian attack46534.2%54.9%
D35QGD, exchange, positional line, 5...c672941.6%54.9%
D78Neo-Gruenfeld, 6.O-O c673442.0%54.9%
B15Caro-Kann, Tartakower (Nimzovich) variation30641.8%54.9%
D80Gruenfeld defence72647.8%54.9%
A47Queen's Indian, Marienbad system7237.5%54.9%
D52QGD, Cambridge Springs defence, Rubinstein variation15540.0%54.8%
C11French, Steinitz, Gledhill attack11432.5%54.8%
D05Colle system16648.2%54.8%
C62Ruy Lopez, old Steinitz defence26037.3%54.8%
D40QGD, Semi-Tarrasch defence41742.4%54.8%
C75Ruy Lopez, modern Steinitz defence14642.5%54.8%
A80Dutch, 2.Bg5 variation86833.5%54.8%
E10Doery defence2142.9%54.8%
B24Sicilian, closed, Smyslov variation2133.3%54.8%
D31QGD, semi-Slav92439.8%54.8%
B31Sicilian, Nimzovich-Rossolimo attack, Gurgenidze variation2152.4%54.8%
B37Sicilian, accelerated fianchetto, Maroczy bind, 5...Bg712647.6%54.8%
C02French, advance, Paulsen attack170233.7%54.8%
B02Alekhine's defence54935.9%54.7%
D15QGD Slav, 4.Nc3361239.7%54.7%
D79Neo-Gruenfeld, 6.O-O, main line45748.1%54.7%
A21English opening136233.9%54.7%
C11French defence15041.3%54.7%
E41Nimzo-Indian, 4.e3 c568644.3%54.7%
C22Centre game, Berger variation35437.6%54.7%
A80Dutch186835.7%54.7%
C26Vienna, Falkbeer variation4344.2%54.7%
C83Ruy Lopez, open, 9...Be7, 10.Re14334.9%54.7%
D47QGD semi-Slav, neo-Meran (Lundin variation)28048.6%54.6%
E73King's Indian, Averbakh system90733.2%54.6%
C47Four knights, Belgrade gambit10846.3%54.6%
C26Vienna game24945.8%54.6%
E29Nimzo-Indian, Saemisch, main line7640.8%54.6%
A71Benoni, classical, 8.Bg58728.7%54.6%
C78Ruy Lopez, 5.O-O107046.2%54.6%
D35QGD, exchange, Saemisch variation27347.6%54.6%
B88Sicilian, Sozin, Leonhardt variation51440.7%54.6%
C79Ruy Lopez, Steinitz defence deferred (Russian defence)23040.4%54.6%
C08French, Tarrasch, open, 4.ed ed122950.2%54.6%
A28English, four knights, Capablanca variation41737.6%54.6%
C20King's pawn game2236.4%54.5%
D17QGD Slav, Czech defence35248.3%54.5%
C79Ruy Lopez, Steinitz defence deferred, Lipnitsky variation1172.7%54.5%
C88Ruy Lopez, closed, Balla variation4436.4%54.5%
D45QGD semi-Slav, stonewall defence1154.5%54.5%
C40Latvian, Fraser defence1118.2%54.5%
B13Caro-Kann, Panov-Botvinnik, Gunderam attack1118.2%54.5%
D15QGD Slav, 5.e3 (Alekhine variation)15431.2%54.5%
A30English, symmetrical, hedgehog, flexible formation17643.2%54.5%
A20English opening525638.2%54.5%
B30Sicilian defence243740.5%54.5%
A85Dutch with c4 & Nc359635.2%54.5%
E42Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)56344.8%54.5%
B22Sicilian, Alapin's variation (2.c3)565143.7%54.5%
C11French, Steinitz variation94238.7%54.5%
B98Sicilian, Najdorf, 7...Be712233.6%54.5%
E05Catalan, open, classical line10053.0%54.5%
E53Nimzo-Indian, 4.e3, main line with ...c535639.9%54.5%
C66Ruy Lopez, Berlin defence, 4.O-O, d68950.6%54.5%
A30English, symmetrical variation281839.7%54.4%
D53QGD, 4.Bg5 Be792545.3%54.4%
B42Sicilian, Kan, Polugaievsky variation126436.1%54.4%
D94Gruenfeld, Opovcensky variation13642.6%54.4%
B80Sicilian, Scheveningen variation120331.0%54.4%
E10Blumenfeld counter-gambit29742.1%54.4%
A34English, symmetrical variation92639.6%54.4%
B12Caro-Kann, Tartakower (fantasy) variation58537.9%54.4%
A45Queen's pawn game196339.4%54.4%
D12QGD Slav, 4.e3 Bf5288440.3%54.4%
C23Bishop's opening16137.9%54.3%
B32Sicilian, Nimzovich variation2339.1%54.3%
A41Queen's Pawn186035.8%54.3%
E17Queen's Indian, Opovcensky variation63638.2%54.3%
C73Ruy Lopez, modern Steinitz defence, Alapin variation8139.5%54.3%
D02Queen's pawn game, Krause variation34844.8%54.3%
B96Sicilian, Najdorf, Polugayevsky variation9337.6%54.3%
D35QGD, exchange, positional line92140.6%54.3%
A33English, symmetrical, Geller variation58338.9%54.3%
D67QGD, Orthodox defence, Bd3 line, Alekhine variation3557.1%54.3%
C46Three knights game11736.8%54.3%
C67Ruy Lopez, Berlin defence, open variation344546.6%54.2%
A33English, symmetrical variation144148.1%54.2%
A04Reti opening714738.3%54.2%
B02Alekhine's defence, Two pawns' (Lasker's) attack27244.5%54.2%
D50QGD, 4.Bg57140.8%54.2%
D41QGD, Semi-Tarrasch with e314247.9%54.2%
D10QGD Slav, Winawer counter-gambit14232.4%54.2%
B18Caro-Kann, classical variation146945.0%54.2%
C45Scotch, Mieses variation134241.5%54.2%
D36QGD, exchange, positional line, 6.Qc223842.9%54.2%
D80Gruenfeld, Stockholm variation66743.3%54.2%
A14English, Neo-Catalan declined77643.7%54.2%
D77Neo-Gruenfeld, 6.O-O65946.4%54.2%
A07Reti, King's Indian attack, Keres variation67134.7%54.2%
D50QGD, Semi-Tarrasch, Primitive Pillsbury variation1241.7%54.2%
C79Ruy Lopez, Steinitz defence deferred, Rubinstein variation1241.7%54.2%
C14French, classical, Alapin variation8446.4%54.2%
C57Two knights defence, Wilkes Barre (Traxler) variation4837.5%54.2%
C95Ruy Lopez, closed, Breyer, Gligoric variation4845.8%54.2%
C42Petrov, classical attack, Berger variation1275.0%54.2%
A25English, closed, Hort variation3636.1%54.2%
D10QGD Slav defence364241.0%54.2%
D46QGD semi-Slav, Chigorin defence42144.2%54.2%
A13English opening, Agincourt variation119240.4%54.2%
A80Dutch, Krejcik gambit26534.3%54.2%
C02French, advance, Euwe variation126936.1%54.1%
B64Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f425438.2%54.1%
C74Ruy Lopez, Siesta, Kopayev variation10931.2%54.1%
C89Ruy Lopez, Marshall counter-attack49853.2%54.1%
C47Four knights, Scotch, 4...exd446249.8%54.1%
B91Sicilian, Najdorf, Zagreb (fianchetto) variation60937.9%54.1%
B47Sicilian, Taimanov (Bastrikov) variation364441.4%54.1%
E34Nimzo-Indian, classical, Noa variation73353.1%54.1%
D63QGD, Orthodox defence, Swiss, Karlsbad variation15941.5%54.1%
A28English, four knights, Nimzovich variation47734.8%54.1%
E12Queen's Indian, Petrosian system619942.8%54.1%
E21Nimzo-Indian, three knights variation221141.6%54.0%
A11English, Caro-Kann defensive system122739.9%54.0%
E94King's Indian, orthodox variation96936.8%54.0%
B85Sicilian, Scheveningen, classical, Maroczy system2536.0%54.0%
B44Sicilian, Szen (`anti-Taimanov') variation77639.2%54.0%
B40Sicilian defence462039.4%54.0%
B14Caro-Kann, Panov-Botvinnik attack, 5...g630349.8%54.0%
D45QGD semi-Slav, accelerated Meran (Alekhine variation)189444.1%54.0%
E06Catalan, closed, 5.Nf3284448.5%54.0%
D45QGD semi-Slav, 5...Nd751938.5%53.9%
A21English, Troeger defence12729.1%53.9%
E20Nimzo-Indian, Romanishin-Kasparov (Steiner) system39546.1%53.9%
E10Blumenfeld counter-gambit accepted11540.0%53.9%
B33Sicilian defence42235.8%53.9%
E81King's Indian, Saemisch, Byrne variation7740.3%53.9%
C77Ruy Lopez, Wormald (Alapin) attack30942.4%53.9%
C86Ruy Lopez, Worrall attack, sharp line20738.2%53.9%
B88Sicilian, Sozin, Fischer variation1346.2%53.8%
C17French, Winawer, advance, Russian variation5238.5%53.8%
E12Queen's Indian defence63742.1%53.8%
C91Ruy Lopez, closed, Bogolyubov variation375843.1%53.8%
B18Caro-Kann, classical, 6.h450941.3%53.8%
A25English, closed system71934.2%53.8%
C29Vienna gambit, Breyer variation9231.5%53.8%
C01French, exchange variation127844.4%53.8%
E43Nimzo-Indian, Fischer variation55736.1%53.8%
D16QGD Slav, Soultanbeieff variation38649.5%53.8%
E20Nimzo-Indian, Kmoch variation69637.9%53.7%
D51QGD, 4.Bg5 Nbd76741.8%53.7%
A19English, Mikenas-Carls, Sicilian variation33642.6%53.7%
E32Nimzo-Indian, classical variation600242.3%53.7%
E26Nimzo-Indian, Saemisch, O'Kelly variation2740.7%53.7%
C73Ruy Lopez, modern Steinitz defence, Richter variation13552.6%53.7%
E61King's Indian, Smyslov system8138.3%53.7%
B17Caro-Kann, Steinitz variation359742.9%53.7%
D05Queen's pawn game, Rubinstein (Colle-Zukertort) variation23038.7%53.7%
C02French, advance, Steinitz variation35233.5%53.7%
C88Ruy Lopez, closed, anti-Marshall 8.a4149339.6%53.7%
A17English, Nimzo-English opening166139.6%53.7%
A12English, Caro-Kann defensive system, Bogolyubov variation8248.8%53.7%
B72Sicilian, dragon, 6.Be38234.1%53.7%
B99Sicilian, Najdorf, 7...Be7 main line57729.3%53.6%
E15Queen's Indian, 4.g3 Bb723440.6%53.6%
D32QGD, Tarrasch defence30346.5%53.6%
B90Sicilian, Najdorf251136.8%53.6%
C67Ruy Lopez, open Berlin defence, 5...Be76934.8%53.6%
D51QGD, 5...c66952.2%53.6%
A38English, symmetrical, main line with d313847.8%53.6%
B83Sicilian, modern Scheveningen, main line49744.1%53.6%
D55QGD, Petrosian variation35952.1%53.6%
E67King's Indian, fianchetto with ...Nd78334.9%53.6%
E86King's Indian, Saemisch, orthodox, 7.Nge2 c633428.7%53.6%
A35English, symmetrical, four knights system197043.8%53.6%
C31KGD, Falkbeer counter-gambit2842.9%53.6%
C66Ruy Lopez, closed Berlin defence, Bernstein variation1435.7%53.6%
C44Scotch, Lolli variation1435.7%53.6%
C65Ruy Lopez, Berlin defence, Duras variation1435.7%53.6%
E92King's Indian, Petrosian system, Stein variation54632.4%53.6%
A83Dutch, Staunton gambit, Chigorin variation7032.9%53.6%
A06Reti opening57637.7%53.6%
E25Nimzo-Indian, Saemisch, Keres variation28146.6%53.6%
C70Ruy Lopez, Cozio defence deferred26844.4%53.5%
D47QGD semi-Slav, Meran, Wade variation680539.4%53.5%
A07Reti, King's Indian attack (Barcza system)420541.6%53.5%
C07French, Tarrasch, open variation349847.7%53.5%
A36English, symmetrical, Botvinnik system reversed7139.4%53.5%
D26QGA, 4...e625644.5%53.5%
E59Nimzo-Indian, 4.e3, main line73343.7%53.5%
B86Sicilian, Sozin attack15941.5%53.5%
C45Scotch game228542.8%53.5%
A15English opening1027943.0%53.5%
C43Petrov, modern attack, Symmetrical variation226545.2%53.4%
A05Reti, King's Indian attack111840.4%53.4%
E14Queen's Indian, 4.e3164139.9%53.4%
D45QGD semi-Slav, Stoltz variation1134643.5%53.4%
E04Catalan, open, 5.Nf3410543.6%53.4%
D30QGD, Capablanca-Duras variation32846.3%53.4%
A05Reti opening319137.4%53.3%
D69QGD, Orthodox defence, classical, 13.de1553.3%53.3%
C65Ruy Lopez, Berlin defence, Kaufmann variation3046.7%53.3%
A10English, Adorjan defence40737.8%53.3%
E52Nimzo-Indian, 4.e3, main line with ...b643940.1%53.3%
D56QGD, Lasker defence31846.2%53.3%
C69Ruy Lopez, exchange variation, 5.O-O63741.6%53.3%
C24Bishop's opening, Berlin defence97342.0%53.3%
A17English opening21338.0%53.3%
C50Giuoco Pianissimo149538.6%53.3%
B90Sicilian, Najdorf, Byrne (English) attack1859735.3%53.3%
B94Sicilian, Najdorf, 6.Bg570336.0%53.3%
A07Reti, King's Indian attack, Pachman system10737.4%53.3%
B10Caro-Kann defence202336.1%53.3%
A48King's Indian, London system99839.6%53.3%
E17Queen's Indian, anti-Queen's Indian system27939.1%53.2%
D82Gruenfeld, 4.Bf451345.6%53.2%
C28Vienna game34341.1%53.2%
E12Queen's Indian, 4.Nc3439640.0%53.2%
D31QGD, semi-Slav, Marshall gambit73643.3%53.2%
A81Dutch defence, Blackburne variation4729.8%53.2%
A07Reti, King's Indian attack222341.7%53.2%
C78Ruy Lopez, Moeller defence55442.1%53.2%
C07French, Tarrasch, Eliskases variation11146.8%53.2%
A00Mieses opening12732.3%53.1%
B56Sicilian149539.5%53.1%
B92Sicilian, Najdorf, Opovcensky variation488340.2%53.1%
D33QGD, Tarrasch, Prague variation6431.3%53.1%
B27Sicilian defence1631.3%53.1%
A13English, Neo-Catalan69041.0%53.1%
B19Caro-Kann, classical, 7...Nd737250.8%53.1%
C57Two knights defence, Fegatello attack6526.2%53.1%
D57QGD, Lasker defence, main line4957.1%53.1%
A16English, Anglo-Gruenfeld defense23043.5%53.0%
E00Neo-Indian (Seirawan) attack16530.9%53.0%
B13Caro-Kann, Panov-Botvinnik attack96247.8%53.0%
B23Sicilian, Grand Prix attack, Schofman variation15040.7%53.0%
A16English opening123936.1%53.0%
C26Vienna, Paulsen-Mieses variation43642.2%53.0%
A09Reti opening55440.6%53.0%
D30QGD, Hastings variation52247.7%53.0%
B50Sicilian342941.1%53.0%
D01Richter-Veresov attack, Richter variation1723.5%52.9%
D26QGA, classical variation64951.6%52.9%
B76Sicilian, dragon, Yugoslav attack, 7...O-O30934.6%52.9%
A10English, Anglo-Dutch defense63633.8%52.9%
C80Ruy Lopez, open, 7.Bb348340.8%52.9%
B35Sicilian, accelerated fianchetto, modern variation with Bc4188743.2%52.9%
A28English, four knights, Romanishin variation43550.1%52.9%
C11French, Burn variation492844.2%52.9%
E58Nimzo-Indian, 4.e3, main line with 8...Bxc3141344.9%52.9%
C44Ponziani, Jaenisch counter-attack204246.5%52.9%
D31QGD, Charousek (Petrosian) variation134645.5%52.9%
B83Sicilian, Scheveningen, 6.Be252540.2%52.9%
D02Queen's bishop game117839.5%52.8%
A26English, Botvinnik system30037.7%52.8%
C48Four knights, Rubinstein counter-gambit99639.4%52.8%
B13Caro-Kann, exchange, Rubinstein variation12536.8%52.8%
D02Queen's pawn game465341.3%52.8%
D05Queen's pawn game, Zukertort variation1861.1%52.8%
D27QGA, classical, Geller variation7255.6%52.8%
A98Dutch, Ilyin-Genevsky variation with Qc23627.8%52.8%
C53Giuoco Piano189138.3%52.8%
A07Reti, King's Indian attack, Yugoslav variation160840.2%52.8%
B07Pirc, Sveshnikov system29035.2%52.8%
E12Queen's Indian, Miles variation131143.7%52.7%
D43QGD semi-Slav648141.3%52.7%
C50Giuoco Piano55040.0%52.7%
E28Nimzo-Indian, Saemisch variation9325.8%52.7%
D48QGD semi-Slav, Meran, old main line11235.7%52.7%
D47QGD semi-Slav, 7.Bc45637.5%52.7%
B21Sicilian, Grand Prix attack145735.9%52.7%
D30QGD, Vienna variation65453.7%52.7%
B23Sicilian, closed, Korchnoi variation13151.9%52.7%
D31QGD, Janowski variation13144.3%52.7%
D37QGD, 4.Nf3514746.6%52.7%
D14QGD Slav, exchange, Trifunovic variation20650.0%52.7%
A36English, ultra-symmetrical variation120338.7%52.7%
C55Two knights defence5742.1%52.6%
C42Petrov, Cozio (Lasker) attack49548.7%52.6%
A34English, symmetrical, Rubinstein system37138.8%52.6%
E76King's Indian, Four pawns attack, dynamic line15737.6%52.5%
C54Giuoco Piano17853.4%52.5%
C88Ruy Lopez, closed121841.3%52.5%
C50Giuoco Pianissimo, Canal variation18043.9%52.5%
E84King's Indian, Saemisch, Panno main line40137.7%52.5%
A47Queen's Indian defence46339.7%52.5%
A46Queen's pawn, Yusupov-Rubinstein system70941.5%52.5%
B01Scandinavian gambit14342.0%52.4%
A05Reti, King's Indian attack, Spassky's variation28742.2%52.4%
A27English, three knights system49634.7%52.4%
D23QGA, Mannheim variation29145.7%52.4%
E13Queen's Indian, 4.Nc3, main line20835.6%52.4%
D38QGD, Ragozin variation377746.4%52.4%
E65King's Indian, fianchetto, Yugoslav, 7.O-O16750.9%52.4%
A25English, closed, 5.Rb141840.2%52.4%
D00Levitsky attack (Queen's bishop attack)178937.0%52.4%
A09Reti accepted23240.9%52.4%
A01Nimzovich-Larsen attack61237.7%52.4%
A21English, Kramnik-Shirov counterattack189741.2%52.3%
C88Ruy Lopez, closed, 7...O-O278440.3%52.3%
A25English, Sicilian reversed69634.2%52.3%
C64Ruy Lopez, classical (Cordel) defence19743.7%52.3%
C55Two knights, Max Lange attack, Schlechter variation2250.0%52.3%
A00Benko's opening599941.7%52.3%
A08Reti, King's Indian attack50942.4%52.3%
B62Sicilian, Richter-Rauzer, Keres variation6732.8%52.2%
E01Catalan, closed44947.9%52.2%
C92Ruy Lopez, closed, 9.h338242.7%52.2%
B72Sicilian, dragon, classical attack9040.0%52.2%
B20Sicilian, Keres variation (2.Ne2)59141.1%52.2%
C78Ruy Lopez, ...b5 & ...d64639.1%52.2%
B10Caro-Kann, anti-anti-Caro-Kann defence129848.7%52.2%
C44Scotch gambit, Dubois-Reti defence28040.7%52.1%
D00Queen's pawn, Chigorin variation30534.8%52.1%
B44Sicilian defence30643.5%52.1%
C48Four knights, Rubinstein counter-gambit, exchange variation14264.8%52.1%
D05Queen's pawn game52737.0%52.1%
B12Caro-Kann, advance, Short variation4833.3%52.1%
B72Sicilian, dragon, classical, Grigoriev variation2445.8%52.1%
A91Dutch defence9635.4%52.1%
E36Nimzo-Indian, classical, Noa variation, 5.a326545.3%52.1%
D31QGD, semi-Slav, Noteboom variation24539.6%52.0%
D58QGD, Tartakower (Makagonov-Bondarevsky) system491046.4%52.0%
D93Gruenfeld with Bf4 e327249.6%52.0%
B10Caro-Kann, closed (Breyer) variation62338.5%52.0%
A45Trompovsky attack (Ruth, Opovcensky opening)354836.3%52.0%
C55Two knights defence, Perreux variation2548.0%52.0%
A52Budapest defence2548.0%52.0%
B34Sicilian, accelerated fianchetto, modern variation32536.3%52.0%
C88Ruy Lopez, Trajkovic counter-attack62941.0%52.0%
C42Petrov's defence25244.4%52.0%
C76Ruy Lopez, modern Steinitz defence, fianchetto (Bronstein) variation30735.5%52.0%
D00Queen's pawn, Mason variation82041.2%52.0%
B23Sicilian, closed, 2...Nc6165241.2%51.9%
A28English, four knights, 4.e395936.5%51.9%
C51Evans gambit declined, Showalter variation2642.3%51.9%
B85Sicilian, Scheveningen, classical13040.8%51.9%
B84Sicilian, Scheveningen (Paulsen), classical variation356738.6%51.9%
C50Giuoco Piano, four knights variation5335.8%51.9%
B12Caro-Kann defence18636.0%51.9%
C90Ruy Lopez, closed, Pilnik variation80135.6%51.9%
B73Sicilian, dragon, classical, 8.O-O35045.4%51.9%
E85King's Indian, Saemisch, orthodox variation5437.0%51.9%
D55QGD, Neo-orthodox variation, 7.Bxf632445.7%51.9%
A29English, four knights, kingside fianchetto589941.1%51.8%
D30QGD76447.4%51.8%
B80Sicilian, Scheveningen, English variation13732.1%51.8%
E20Nimzo-Indian defence11350.4%51.8%
C68Ruy Lopez, exchange, Keres variation8554.1%51.8%
A48King's Indian, East Indian defence76838.9%51.8%
A26English, closed system28937.7%51.7%
C42Petrov, Paulsen attack14541.4%51.7%
C25Vienna gambit2927.6%51.7%
B57Sicilian, Sozin, Benko variation125639.1%51.7%
B13Caro-Kann, exchange variation74139.9%51.7%
E25Nimzo-Indian, Saemisch variation11941.2%51.7%
C84Ruy Lopez, closed defence125140.5%51.7%
A28English, Nenarokov variation12040.0%51.7%
A35English, symmetrical variation21034.8%51.7%
B15Caro-Kann defence21331.9%51.6%
A12English, London defensive system12441.9%51.6%
B59Sicilian, Boleslavsky variation, 7.Nb312446.8%51.6%
A13English opening180636.7%51.6%
B10Caro-Kann, Goldman (Spielmann) variation6342.9%51.6%
A46Queen's pawn, Torre attack123837.1%51.6%
A00Van't Kruijs opening45340.4%51.5%
B23Sicilian, closed287938.1%51.5%
C60Ruy Lopez, fianchetto (Smyslov/Barnes) defence26241.2%51.5%
D95Gruenfeld, Botvinnik variation6642.4%51.5%
C00French, Pelikan variation6636.4%51.5%
E47Nimzo-Indian, 4.e3 O-O, 5.Bd350847.8%51.5%
D86Gruenfeld, exchange, Simagin's improved variation10240.2%51.5%
D22QGA, Haberditz variation10358.3%51.5%
B70Sicilian, dragon variation68741.5%51.5%
D14QGD Slav, exchange variation, 6.Bf4 Bf565449.4%51.5%
C70Ruy Lopez3545.7%51.4%
D23Queen's gambit accepted3540.0%51.4%
D53QGD, 4.Bg5 Be7, 5.e3 O-O3551.4%51.4%
B66Sicilian, Richter-Rauzer, Rauzer attack, 7...a6561433.7%51.4%
D61QGD, Orthodox defence, Rubinstein variation21344.6%51.4%
C50Giuoco Pianissimo, Italian four knights variation35638.2%51.4%
C90Ruy Lopez, closed (with ...d6)118136.7%51.4%
C45Scotch, Potter variation50539.8%51.4%
C77Ruy Lopez, Anderssen variation72941.8%51.4%
B90Sicilian, Najdorf, Adams attack106037.5%51.4%
E46Nimzo-Indian, Reshevsky variation85744.3%51.3%
C22Centre game, Paulsen attack18737.4%51.3%
C68Ruy Lopez, exchange variation7541.3%51.3%
C44King's pawn game7735.1%51.3%
B96Sicilian, Najdorf, 7.f4120034.1%51.3%
C69Ruy Lopez, exchange variation, Alapin gambit27140.6%51.3%
A36English, symmetrical, Botvinnik system15534.2%51.3%
B25Sicilian, closed, 6.Ne2 e5 (Botvinnik)3930.8%51.3%
D52QGD, Cambridge Springs defence, 7.cd3935.9%51.3%
E41Nimzo-Indian, e3, Huebner variation46933.5%51.3%
D49QGD semi-Slav, Meran, Blumenfeld variation16145.3%51.2%
D39QGD, Ragozin, Vienna variation155650.5%51.2%
E23Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc64143.9%51.2%
B87Sicilian, Sozin with ...a6 and ...b575036.5%51.2%
C00French defence, Steiner variation71743.8%51.2%
A28English, four knights, Marini variation76339.7%51.2%
D97Gruenfeld, Russian, Alekhine (Hungarian) variation157144.5%51.1%
B89Sicilian, Velimirovic attack71133.3%51.1%
B25Sicilian, closed, 6.f441339.7%51.1%
C89Ruy Lopez, Marshall, main line, 14...Qh341650.7%51.1%
C49Four knights, symmetrical, Metger unpin32736.7%51.1%
C00French, Chigorin variation75632.8%51.1%
B80Sicilian, Scheveningen, Vitolins variation4949.0%51.0%
B62Sicilian, Richter-Rauzer, Margate (Alekhine) variation4936.7%51.0%
C00French, King's Indian attack203237.6%51.0%
A40Polish defence5046.0%51.0%
B33Sicilian, Sveshnikov variation131638.6%51.0%
C49Four knights, symmetrical, Maroczy system5147.1%51.0%
C65Ruy Lopez, Berlin defence262939.8%51.0%
E53Nimzo-Indian, 4.e3, Gligoric system with 7...Nbd75360.4%50.9%
C00French, Two knights variation21437.4%50.9%
A22English opening69936.6%50.9%
A13English, Wimpey system11343.4%50.9%
A00Anderssen's opening39640.7%50.9%
A28English, four knights system34044.1%50.9%
C17French, Winawer, advance, Bogolyubov variation34239.8%50.9%
B44Sicilian, Szen, hedgehog variation22839.5%50.9%
B20Sicilian defence197236.2%50.9%
C48Four knights, Rubinstein counter-gambit, Henneberger variation5940.7%50.8%
A41Robatsch defence, Rossolimo variation12237.7%50.8%
E07Catalan, closed, 6...Nbd76136.1%50.8%
E31Nimzo-Indian, Leningrad, main line19631.1%50.8%
C81Ruy Lopez, open, Howell attack13351.9%50.8%
D03Torre attack (Tartakower variation)63939.4%50.7%
B93Sicilian, Najdorf, 6.f4153039.8%50.7%
E93King's Indian, Petrosian system, main line8235.4%50.6%
B89Sicilian, Sozin, 7.Be398537.1%50.6%
E50Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d516540.6%50.6%
C60Ruy Lopez, Cozio defence25342.7%50.6%
A37English, symmetrical, Botvinnik system reversed69637.6%50.6%
A22English, Bremen, reverse dragon62940.7%50.6%
D24QGA, 4.Nc319041.1%50.5%
A01Nimzovich-Larsen attack, modern variation286540.2%50.5%
E08Catalan, closed, Qc2 & b319641.8%50.5%
E22Nimzo-Indian, Spielmann variation10644.3%50.5%
D04Queen's pawn game67642.0%50.4%
E35Nimzo-Indian, classical, Noa variation, 5.cd ed50444.4%50.4%
B53Sicilian, Chekhover variation108942.1%50.4%
C46Four knights game58843.5%50.3%
A02Bird, From gambit14834.5%50.3%
C00French, Reti (Spielmann) variation16242.6%50.3%
A37English, symmetrical variation91140.8%50.3%
C51Evans gambit, Stone-Ware variation19635.2%50.3%
D00Queen's pawn game49140.1%50.2%
B20Sicilian, Steinitz variation35942.9%50.1%
B84Sicilian, Scheveningen, classical, Nd7 system6636.4%50.0%
C45Scotch, Ghulam Kassim variation2100.0%50.0%
A83Dutch, Staunton gambit, Alekhine variation333.3%50.0%
C42Petrov, Damiano variation2441.7%50.0%
C89Ruy Lopez, Marshall, Kevitz variation2100.0%50.0%
C55Two knights defence, Keidanz variation1100.0%50.0%
A04Reti, Wade defence20.0%50.0%
C66Ruy Lopez, closed Berlin defence, Chigorin variation40.0%50.0%
A52Budapest, Alekhine variation, Balogh gambit1100.0%50.0%
B80Sicilian, Scheveningen, fianchetto variation18434.8%50.0%
C80Ruy Lopez, open, Zukertort variation333.3%50.0%
C11French, Henneberger variation1338.5%50.0%
C32KGD, Falkbeer, Reti variation450.0%50.0%
C30KGD, classical, Svenonius variation1100.0%50.0%
C60Ruy Lopez, Lucena defence20.0%50.0%
E87King's Indian, Saemisch, orthodox, Bronstein variation1100.0%50.0%
C27Vienna, Alekhine variation1442.9%50.0%
C50Rousseau gambit333.3%50.0%
C45Scotch, Blackburne attack1741.2%50.0%
C13French, classical, Anderssen-Richter variation825.0%50.0%
E14Queen's Indian, Averbakh variation20.0%50.0%
E92King's Indian, Petrosian system9329.0%50.0%
C10French, Rubinstein, Capablanca line771.4%50.0%
D63QGD, Orthodox defence, Capablanca variation1100.0%50.0%
C62Ruy Lopez, old Steinitz defence, Nimzovich attack520.0%50.0%
D56QGD, Lasker defence, Teichmann variation9252.2%50.0%
A56Vulture defence1100.0%50.0%
C31KGD, Falkbeer, Milner-Barry variation20.0%50.0%
C33KGA, bishop's gambit, Maurian defence771.4%50.0%
E21Nimzo-Indian, three knights, Euwe variation2100.0%50.0%
C46Three knights, Schlechter variation1833.3%50.0%
C48Four knights, Bardeleben variation850.0%50.0%
C21Halasz gambit450.0%50.0%
E20Nimzo-Indian, Mikenas attack666.7%50.0%
C41Philidor, Nimzovich, Sozin variation742.9%50.0%
A95Dutch, stonewall: Chekhover variation1100.0%50.0%
C30KGD, classical, Reti variation1100.0%50.0%
A00Novosibirsk opening2133.3%50.0%
B05Alekhine's defence, modern, Vitolins attack450.0%50.0%
C77Ruy Lopez, Wormald attack, Gruenfeld variation2100.0%50.0%
C42Petrov, Italian variation6327.0%50.0%
C43Petrov, modern attack, Steinitz variation1100.0%50.0%
C01French, exchange, Bogolyubov variation333.3%50.0%
C15French, Winawer, Kondratiyev variation1100.0%50.0%
C64Ruy Lopez, classical defence, Zaitsev variation2100.0%50.0%
D44QGD semi-Slav, anti-Meran, Alatortsev system1100.0%50.0%
C37KGA, Cochrane gambit333.3%50.0%
D60QGD, Orthodox defence, Botvinnik variation6532.3%50.0%
C25Vienna game, Max Lange defence2142.9%50.0%
C02French, advance, Nimzovich variation560.0%50.0%
C44Scotch opening2100.0%50.0%
C71Ruy Lopez, modern Steinitz defence, Three knights variation1741.2%50.0%
C34KGA, Gianutio counter-gambit2100.0%50.0%
C45Scotch, Pulling counter-attack20.0%50.0%
C33KGA, bishop's gambit, Paulsen attack450.0%50.0%
C22Centre game, Charousek variation450.0%50.0%
C12French, MacCutcheon, Bogolyubov variation1100.0%50.0%
B15Caro-Kann, Alekhine gambit2339.1%50.0%
C11French, Steinitz, Bradford attack1100.0%50.0%
A83Dutch, Staunton gambit, Staunton's line11835.6%50.0%
D55QGD, Neo-orthodox variation633.3%50.0%
B05Alekhine's defence, modern, Alekhine variation742.9%50.0%
C49Four knights, symmetrical, Tarrasch variation1650.0%50.0%
B12Caro-Masi defence1100.0%50.0%
B09Pirc, Austrian attack, Ljubojevic variation1442.9%50.0%
C15French, Winawer, Alekhine gambit20.0%50.0%
C48Four knights, Spanish, classical defence16845.2%50.0%
B55Sicilian, Prins variation, Venice attack4242.9%50.0%
C33KGA, Breyer gambit333.3%50.0%
C57Two knights defence, Fegatello attack, Leonhardt variation825.0%50.0%
C37KGA, Muzio gambit, From defence1100.0%50.0%
C37KGA, Silberschmidt gambit1100.0%50.0%
C32KGD, Falkbeer, Charousek gambit2100.0%50.0%
C40King's knight opening20.0%50.0%
C41Philidor, Nimzovich (Jaenisch) variation1637.5%50.0%
A00Lasker simul special333.3%50.0%
C20KP, Napoleon's opening633.3%50.0%
C49Four knights, symmetrical, Blake variation2100.0%50.0%
C53Giuoco Piano, Mestel variation1100.0%50.0%
D51QGD, Alekhine variation40.0%50.0%
E77King's Indian, Four pawns attack, 6.Be21353.8%50.0%
C68Ruy Lopez, exchange, Romanovsky variation1233.3%50.0%
C33KGA, bishop's gambit, Ruy Lopez defence1442.9%50.0%
D32QGD, Tarrasch defence, Marshall gambit633.3%50.0%
C70Ruy Lopez, Graz variation6100.0%50.0%
C55Giuoco piano20.0%50.0%
C41Philidor, Lopez counter-gambit20.0%50.0%
B37Sicilian, accelerated fianchetto, Simagin variation2100.0%50.0%
C30KGD, classical, Marshall attack4100.0%50.0%
D41QGD, Semi-Tarrasch, Kmoch variation875.0%50.0%
D99Gruenfeld defence, Smyslov, Yugoslav variation1127.3%50.0%
C65Ruy Lopez, Berlin defence, Anderssen variation1100.0%50.0%
A25English, closed, 5.Rb1 Taimanov variation20.0%50.0%
C48Four knights, Rubinstein counter-gambit, 5.Be22100.0%50.0%
D15QGD Slav accepted8442.9%50.0%
B13Caro-Kann, Panov-Botvinnik, Czerniak variation2630.8%50.0%
B00Carr's defence450.0%50.0%
C69Ruy Lopez, exchange, Bronstein variation44832.6%50.0%
B10Caro-Kann, Hillbilly attack20.0%50.0%
E32Nimzo-Indian, classical, Adorjan gambit9943.4%50.0%
C78Ruy Lopez, Wing attack40.0%50.0%
D50QGD, Semi-Tarrasch, Krause variation1100.0%50.0%
E21Nimzo-Indian, three knights, Korchnoi variation40.0%50.0%
C33KGA, bishop's gambit, Gifford variation333.3%50.0%
E77King's Indian, Four pawns attack, Florentine gambit2100.0%50.0%
A86Dutch, Hort-Antoshin system2100.0%50.0%
C21Danish gambit, Schlechter defence714.3%50.0%
A59Benko gambit, 7.e4633.3%50.0%
A38English, symmetrical, main line with b31100.0%50.0%
B71Sicilian, dragon, Levenfish; Flohr variation450.0%50.0%
D33QGD, Tarrasch, Schlechter-Rubinstein system1338.5%50.0%
D21QGA, Alekhine defense, Borisenko-Furman variation2528.0%50.0%
D98Gruenfeld, Russian, Keres variation1233.3%50.0%
C33KGA, Lesser bishop's (Petroff-Jaenisch-Tartakower) gambit333.3%50.0%
D50QGD, Canal (Venice) variation20.0%50.0%
C33KGA, bishop's gambit, Cozio (Morphy) defence2100.0%50.0%
C49Four knights, Gunsberg counter-attack1100.0%50.0%
A01Nimzovich-Larsen attack, Indian variation24132.0%50.0%
B23Sicilian, Grand Prix attack65236.0%49.9%
B26Sicilian, closed, 6.Be357032.8%49.9%
A01Nimzovich-Larsen attack, classical variation100336.9%49.9%
B90Sicilian, Najdorf, Lipnitzky attack90535.8%49.8%
E92King's Indian, Andersson variation26853.4%49.8%
A00Dunst (Sleipner, Heinrichsen) opening156735.7%49.8%
B52Sicilian, Canal-Sokolsky attack, 3...Bd7155943.0%49.8%
C42Petrov, Kaufmann attack18848.4%49.7%
B97Sicilian, Najdorf, Poisoned pawn variation107544.9%49.7%
C50Hungarian defence16439.6%49.7%
A06Reti, Nimzovich-Larsen attack297341.8%49.6%
D00Queen's pawn, Mason variation, Steinitz counter-gambit41037.3%49.6%
C53Giuoco Piano, Bird's attack13532.6%49.6%
A04Reti, Pirc-Lisitsin gambit12129.8%49.6%
E46Nimzo-Indian, Simagin variation11540.0%49.6%
C12French, MacCutcheon variation10942.2%49.5%
B77Sicilian, dragon, Yugoslav attack, 9.Bc410433.7%49.5%
A48King's Indian, Torre attack149039.0%49.4%
C00French, Schlechter variation17241.9%49.4%
B95Sicilian, Najdorf, 6...e6101639.0%49.4%
D35QGD, 3...Nf68240.2%49.4%
E25Nimzo-Indian, Saemisch, Romanovsky variation8245.1%49.4%
C67Ruy Lopez, open Berlin defence, l'Hermet variation7556.0%49.3%
D44QGD semi-Slav, 5.Bg5 dc14444.4%49.3%
D89Gruenfeld, Spassky variation, main line, 13.Bd37038.6%49.3%
A01Nimzovich-Larsen attack, symmetrical variation63040.5%49.3%
C49Four knights6454.7%49.2%
C59Two knights defence19238.0%49.2%
B02Alekhine's defence, Saemisch attack24937.3%49.2%
E62King's Indian, fianchetto variation6035.0%49.2%
A45Blackmar-Diemer gambit17330.1%49.1%
B25Sicilian, closed22938.0%49.1%
A07Reti, King's Indian attack (with ...c5)17140.9%49.1%
B24Sicilian, closed39338.2%49.1%
C44Ponziani, Caro variation21743.8%49.1%
C35KGA, Cunningham defence5438.9%49.1%
C43Petrov, modern attack, Trifunovic variation5345.3%49.1%
A00Saragossa opening30429.6%49.0%
C23Bishop's opening, Philidor counter-attack14556.6%49.0%
C56Two knights defence13743.8%48.9%
A12English, Caro-Kann defensive system17837.1%48.9%
D48QGD semi-Slav, Meran, 8...a6137149.7%48.9%
D12QGD Slav, exchange variation8737.9%48.9%
E48Nimzo-Indian, 4.e3 O-O, 5.Bd3 d542942.7%48.8%
A01Nimzovich-Larsen attack, English variation17135.7%48.8%
C49Four knights, symmetrical, Pillsbury variation4259.5%48.8%
B18Caro-Kann, classical, Flohr variation8258.5%48.8%
C85Ruy Lopez, Exchange variation doubly deferred (DERLD)114139.2%48.8%
C46Four knights, Gunsberg variation8050.0%48.8%
A02Bird's opening293636.3%48.7%
A09Reti, advance variation76040.3%48.7%
A00Benko's opening, reversed Alekhine11342.5%48.7%
A24English, Bremen system with ...g614841.9%48.6%
A57Benko gambit, Zaitsev system7339.7%48.6%
A22English, Bremen, Smyslov system144238.9%48.5%
E24Nimzo-Indian, Saemisch variation16647.6%48.5%
E51Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d512950.4%48.4%
A00Polish (Sokolsky) opening162639.1%48.4%
C34KGA, Becker defence3145.2%48.4%
A06Reti, old Indian attack8924.7%48.3%
C59Two knights defence, Steinitz variation32329.1%48.3%
A08Reti, King's Indian attack, French variation25337.9%48.2%
D91Gruenfeld, 5.Bg585739.2%48.2%
C33KGA, bishop's gambit, Jaenisch variation10442.3%48.1%
A23English, Bremen system, Keres variation56341.0%48.0%
B58Sicilian, Boleslavsky variation42936.8%48.0%
D29QGA, classical, 8...Bb730241.1%48.0%
C13French, classical, Tartakower variation2437.5%47.9%
E30Nimzo-Indian, Leningrad variation57435.2%47.9%
C46Four knights, Italian variation16341.7%47.9%
A03Bird's opening296035.8%47.8%
C52Evans gambit27339.9%47.8%
B21Sicilian, Smith-Morra gambit69741.3%47.8%
B74Sicilian, dragon, classical, 9.Nb335852.0%47.8%
D30QGD Slav, Semmering variation2231.8%47.7%
B72Sicilian, dragon, classical, Amsterdam variation4223.8%47.6%
B83Sicilian, modern Scheveningen40942.3%47.6%
D01Richter-Veresov attack, Veresov variation2045.0%47.5%
B98Sicilian, Najdorf, Goteborg (Argentine) variation2045.0%47.5%
C74Ruy Lopez, modern Steinitz defence, siesta variation2045.0%47.5%
C57Two knights defence, Ulvestad variation2065.0%47.5%
A00Polish, Outflank variation11745.3%47.4%
D94Gruenfeld, Makogonov variation7848.7%47.4%
E30Nimzo-Indian, Leningrad, ...b5 gambit5731.6%47.4%
D52QGD, Cambridge Springs defence3842.1%47.4%
C51Evans gambit, normal variation1921.1%47.4%
C54Giuoco Piano, Moeller (Therkatz) attack3745.9%47.3%
D54QGD, Anti-neo-orthodox variation3745.9%47.3%
C21Danish gambit10941.3%47.2%
C45Scotch, Schmidt variation59651.2%47.1%
A66Benoni, Mikenas variation1723.5%47.1%
A12English, Capablanca's variation6835.3%47.1%
C86Ruy Lopez, Worrall attack, solid line6734.3%47.0%
D59QGD, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd518349.2%47.0%
C44Ponziani, Romanishin variation1631.3%46.9%
A00Battambang opening1631.3%46.9%
B58Sicilian, classical20345.3%46.8%
B29Sicilian, Nimzovich-Rubinstein; Rubinstein counter-gambit3154.8%46.8%
A69Benoni, four pawns attack, main line7739.0%46.8%
C12French, MacCutcheon, Chigorin variation6137.7%46.7%
C45Scotch, Tartakower variation1540.0%46.7%
D64QGD, Orthodox defence, Rubinstein attack, Gruenfeld variation1421.4%46.4%
B13Caro-Kann, Panov-Botvinnik, Herzog defence1435.7%46.4%
C84Ruy Lopez, closed, centre attack16748.5%46.4%
C02French, advance, Milner-Barry gambit9634.4%46.4%
D29QGA, classical, Smyslov variation4153.7%46.3%
C22Centre game39438.3%46.3%
B97Sicilian, Najdorf, 7...Qb6145432.9%46.2%
C44Ponziani, Leonhardt variation9137.4%46.2%
E11Bogo-Indian defence, Monticelli trap1346.2%46.2%
D64QGD, Orthodox defence, Rubinstein attack, Wolf variation1346.2%46.2%
A01Nimzovich-Larsen attack, Dutch variation1330.8%46.2%
E12Queen's Indian, 4.Nc3, Botvinnik variation3823.7%46.1%
C29Vienna gambit17639.8%46.0%
C44Ponziani, Steinitz variation45242.0%46.0%
D59QGD, Tartakower variation11346.0%46.0%
D01Richter-Veresov attack41136.5%46.0%
C77Ruy Lopez, Treybal (Bayreuth) variation (exchange var. deferred)6243.5%46.0%
C44Inverted Hanham2433.3%45.8%
B03Alekhine's defence, four pawns attack, 6...Nc61225.0%45.8%
D49QGD semi-Slav, Meran, Sozin variation15545.2%45.8%
E53Nimzo-Indian, 4.e3, Keres variation9536.8%45.8%
E83King's Indian, Saemisch, 6...Nc65829.3%45.7%
D49QGD semi-Slav, Meran, Stahlberg variation8041.3%45.6%
C33KGA, bishop's gambit4533.3%45.6%
C80Ruy Lopez, open, 6.d44537.8%45.6%
C15French, Winawer, Alekhine gambit, Kan variation4445.5%45.5%
A18English, Mikenas-Carls, Kevitz variation2227.3%45.5%
B20Sicilian, wing gambit, Carlsbad variation1136.4%45.5%
E83King's Indian, Saemisch, Ruban variation1136.4%45.5%
C58Two knights defence, Bogolyubov variation5532.7%45.5%
C80Ruy Lopez, open, Tartakower variation1154.5%45.5%
C00French, Labourdonnais variation21832.1%45.4%
C44Ponziani opening30134.9%45.3%
A45Paleface attack3234.4%45.3%
D12QGD Slav, Amsterdam variation2152.4%45.2%
C51Evans gambit declined, 5.a416141.6%45.0%
C34KGA, Fischer defence12031.7%45.0%
C40Greco defence1030.0%45.0%
D50QGD, Semi-Tarrasch1030.0%45.0%
A21English, Keres variation1030.0%45.0%
D57QGD, Lasker defence, Bernstein variation1070.0%45.0%
C36KGA, Abbazia defence, modern variation21542.3%44.9%
D67QGD, Orthodox defence, Bd3 line1957.9%44.7%
B22Sicilian, 2.c3, Heidenfeld variation5726.3%44.7%
C02French, advance, Nimzovich system9431.9%44.7%
C51Evans gambit, Cordel variation7552.0%44.7%
B73Sicilian, dragon, classical, Zollner gambit944.4%44.4%
A54Old Indian, Dus-Khotimirsky variation922.2%44.4%
D31QGD, semi-Slav, Abrahams variation12935.7%44.2%
D49QGD semi-Slav, Meran, Rabinovich variation6025.0%44.2%
B45Sicilian, Taimanov, American attack1741.2%44.1%
C48Four knights, Rubinstein counter-gambit, Bogolyubov variation1752.9%44.1%
A12English, New York (London) defensive system3452.9%44.1%
C39KGA, Kieseritsky, Kolisch defence7542.7%44.0%
E07Catalan, closed, Botvinnik variation6544.6%43.8%
B01Scandinavian, Mieses-Kotrvc gambit862.5%43.8%
A92Dutch, stonewall with Nc31625.0%43.8%
A64Benoni, fianchetto, 11...Re811241.1%43.8%
C38KGA, Hanstein gambit837.5%43.8%
A80Dutch, Korchnoi attack1625.0%43.8%
C68Ruy Lopez, exchange, Alekhine variation1637.5%43.8%
C44Scotch, Goering gambit, Bardeleben variation837.5%43.8%
C92Ruy Lopez, closed, Keres (9...a5) variation1650.0%43.8%
C52Evans gambit, Tartakower attack7044.3%43.6%
C80Ruy Lopez, open, Bernstein variation, Karpov gambit2343.5%43.5%
A20English, Nimzovich, Flohr variation14339.2%43.4%
D45QGD semi-Slav, Rubinstein (anti-Meran) system1533.3%43.3%
C20KP, Indian opening6036.7%43.3%
A00Clemenz (Mead's, Basman's or de Klerk's) opening2931.0%43.1%
D00Queen's pawn, stonewall attack5736.8%43.0%
C80Ruy Lopez, open, 8...Be6122438.2%43.0%
C67Ruy Lopez, open Berlin defence, Showalter variation1428.6%42.9%
C13French, classical2842.9%42.9%
C40Latvian gambit, 3.Bc4785.7%42.9%
A03Bird's opening, Lasker variation8828.4%42.6%
D00Blackmar-Diemer, Euwe defence2623.1%42.3%
E29Nimzo-Indian, Saemisch, Capablanca variation2638.5%42.3%
A06Santasiere's folly11040.9%42.3%
D52QGD, Cambridge Springs defence, Argentine variation1931.6%42.1%
A82Dutch, Staunton gambit, Tartakower variation616.7%41.7%
C48Four knights, Marshall variation616.7%41.7%
D22QGA, Alekhine defence, Alatortsev variation1250.0%41.7%
A00Durkin's attack650.0%41.7%
E24Nimzo-Indian, Saemisch, Botvinnik variation4634.8%41.3%
B20Sicilian, wing gambit5750.9%41.2%
C39KGA, Kieseritsky, Berlin defence5639.3%41.1%
E03Catalan, open, 5.Qa4 Nbd7, 6.Qxc47254.2%41.0%
A83Dutch, Staunton gambit, Lasker variation1145.5%40.9%
C13French, classical, Anderssen variation1127.3%40.9%
C40Latvian, Polerio variation2227.3%40.9%
D15QGD Slav, Tolush-Geller gambit11828.8%40.7%
D00Blackmar gambit19840.9%40.7%
B02Alekhine's defence, Spielmann variation1631.3%40.6%
A06Tennison (Lemberg, Zukertort) gambit1656.3%40.6%
D90Gruenfeld, Schlechter variation2133.3%40.5%
E27Nimzo-Indian, Saemisch variation4746.8%40.4%
C39KGA, Kieseritsky, long whip (Stockwhip, classical) defence540.0%40.0%
D00Blackmar-Diemer gambit3020.0%40.0%
C46Three knights, Steinitz, Rosenthal variation540.0%40.0%
C26Vienna, Mengarini variation1060.0%40.0%
B18Caro-Kann, classical, Maroczy attack1020.0%40.0%
C56Two knights defence, Canal variation540.0%40.0%
E23Nimzo-Indian, Spielmann, Karlsbad variation1540.0%40.0%
C29Vienna gambit, Steinitz variation540.0%40.0%
C39KGA, Kieseritsky, Salvio (Rosenthal) defence4951.0%39.8%
C53Giuoco Piano, Anderssen variation1957.9%39.5%
A61Benoni, Uhlmann variation19222.4%39.3%
E03Catalan, open, Alekhine variation1421.4%39.3%
E17Queen's Indian, 5.Bg2 Be72828.6%39.3%
D31QGD, semi-Slav, Koomen variation955.6%38.9%
D44QGD semi-Slav, Ekstrom variation2646.2%38.5%
C33KGA, bishop's gambit, Steinitz defence1741.2%38.2%
E92King's Indian, classical variation2536.0%38.0%
A28English, Bradley Beach variation5221.2%37.5%
C57Two knights defence, Fritz, Gruber variation425.0%37.5%
E08Catalan, closed, Zagoryansky variation475.0%37.5%
C39KGA, Kieseritsky, Paulsen defence825.0%37.5%
C41Philidor, Hanham, Krause variation1258.3%37.5%
C21Danish gambit, Collijn defence475.0%37.5%
D89Gruenfeld, exchange, Sokolsky variation850.0%37.5%
D48QGD semi-Slav, Meran205.0%37.5%
C37KGA, Rosentreter gambit875.0%37.5%
A70Benoni, classical without 9.O-O425.0%37.5%
C32KGD, Falkbeer, 5.de1241.7%37.5%
C24Bishop's opening, Urusov gambit4628.3%35.9%
C29Vienna gambit, Bardeleben variation742.9%35.7%
C14French, classical, Pollock variation714.3%35.7%
B50Sicilian, wing gambit deferred2123.8%35.7%
C22Centre game, Hall variation742.9%35.7%
B02Alekhine's defence, Brooklyn defence714.3%35.7%
C58Two knights defence, Colman variation2123.8%35.7%
A82Dutch, Staunton gambit10436.5%35.6%
D44QGD semi-Slav, anti-Meran, Szabo variation2420.8%35.4%
C39KGA, Kieseritsky, Berlin defence, 6.Bc44131.7%35.4%
C15French, Winawer, fingerslip variation3043.3%35.0%
D31QGD, semi-Slav, Junge variation1030.0%35.0%
B57Sicilian, Magnus Smith trap1050.0%35.0%
B15Caro-Kann, Rasa-Studier gambit1010.0%35.0%
C41Philidor, Nimzovich, Larobok variation4647.8%34.8%
A00Grob's attack18643.5%34.7%
B62Sicilian, Richter-Rauzer, Podvebrady variation1656.3%34.4%
D68QGD, Orthodox defence, classical, 13.d1b1 (Maroczy)366.7%33.3%
C80Ruy Lopez, open, Berger variation366.7%33.3%
C96Ruy Lopez, closed, Rossolimo defence30.0%33.3%
C44Scotch gambit, Anderssen (Paulsen, Suhle) counter-attack666.7%33.3%
C37KGA, Muzio gambit944.4%33.3%
C46Four knights, Schultze-Mueller gambit30.0%33.3%
D64QGD, Orthodox defence, Rubinstein attack, Karlsbad variation1844.4%33.3%
C57Two knights defence, Fritz variation966.7%33.3%
A51Budapest, Fajarowicz, Steiner variation366.7%33.3%
A00Anti-Borg (Desprez) opening30.0%33.3%
A59Benko gambit, Ne2 variation30.0%33.3%
C19French, Winawer, advance, poisoned pawn, Euwe-Gligoric variation30.0%33.3%
C48Four knights, Spielmann variation366.7%33.3%
A00Amar (Paris) opening1844.4%33.3%
A43Hawk (Habichd) defence366.7%33.3%
A00Grob, spike attack633.3%33.3%
D00Queen's pawn, Anti-Veresov366.7%33.3%
C20KP, Lopez opening1233.3%33.3%
C42Petrov, Cochrane gambit6317.5%32.5%
C65Ruy Lopez, Berlin defence, Mortimer variation1464.3%32.1%
C33KGA, Keres (Mason-Steinitz) gambit1450.0%32.1%
C20KP, Patzer opening2227.3%31.8%
E60King's Indian, 3.g3, counterthrust variation1127.3%31.8%
C33KGA, bishop's gambit, Bogolyubov variation837.5%31.3%
C57Two knights defence812.5%31.3%
C45Scotch, Blumenfeld attack1637.5%31.3%
C37KGA, Blachly gambit2437.5%31.3%
C27Boden-Kieseritsky gambit4032.5%31.3%
C33KGA, bishop's gambit, Bledow variation2920.7%31.0%
C27Boden-Kieseritsky gambit, Lichtenhein defence560.0%30.0%
C34King's knight's gambit1040.0%30.0%
B03Alekhine's defence, four pawns attack, Planinc variation520.0%30.0%
C39KGA, Kieseritsky, Rice gambit1723.5%29.4%
C38KGA, Philidor gambit128.3%29.2%
B41Sicilian, Kan, Maroczy bind - Bronstein variation1936.8%28.9%
C52Evans gambit, Richardson attack1936.8%28.9%
C42Petrov, classical attack, Krause variation757.1%28.6%
C38King's knight's gambit2339.1%28.3%
C00French, Steinitz attack911.1%27.8%
A84Dutch, Staunton gambit deferred955.6%27.8%
A00Grob, Fritz gambit5143.1%27.5%
A45Canard opening1136.4%27.3%
C80Ruy Lopez, open, Schlechter defence1931.6%26.3%
B02Alekhine's defence, Krejcik variation250.0%25.0%
A03Mujannah opening450.0%25.0%
B00Corn stalk defence250.0%25.0%
C23Bishop's opening, MacDonnell double gambit250.0%25.0%
C10French, Marshall variation250.0%25.0%
C52Evans gambit, Leonhardt variation250.0%25.0%
C52Evans gambit, Levenfish variation616.7%25.0%
B06Norwegian defence250.0%25.0%
C52Evans gambit, Alapin-Steinitz variation250.0%25.0%
D21QGA, Ericson variation40.0%25.0%
D19QGD Slav, Dutch, Saemisch variation250.0%25.0%
C41Philidor, Paulsen attack250.0%25.0%
C20KP, King's head opening250.0%25.0%
C84Ruy Lopez, closed, Basque gambit (North Spanish variation)250.0%25.0%
C33KGA, bishop's gambit, Boden defence250.0%25.0%
C52Evans gambit, Lasker defence616.7%25.0%
B07Pirc, Chinese variation250.0%25.0%
C20KP, Mengarini's opening2040.0%25.0%
B03Alekhine's defence, four pawns attack, Ilyin-Genevsky var.742.9%21.4%
B02Alekhine's defence, Kmoch variation714.3%21.4%
C58Two knights defence, Yankovich variation1241.7%20.8%
D50QGD, Been-Koomen variation540.0%20.0%
D32QGD, Tarrasch defence, Tarrasch gambit540.0%20.0%
C12French, MacCutcheon, advance variation1526.7%20.0%
C37KGA, Quaade gambit633.3%16.7%
C88Ruy Lopez, closed, 7...d6, 8.d41833.3%16.7%
E57Nimzo-Indian, 4.e3, main line with 8...dc and 9...cd333.3%16.7%
C24Bishop's opening, Ponziani gambit333.3%16.7%
C59Two knights defence, Goering variation425.0%12.5%
C14French, classical variation425.0%12.5%
C41Philidor, Steinitz variation20.0%0.0%
C81Ruy Lopez, open, Howell attack, Adam variation20.0%0.0%
D26QGA, classical, Furman variation10.0%0.0%
C44Ponziani counter-gambit, Cordel variation10.0%0.0%
C51Evans gambit declined, Lange variation20.0%0.0%
C33King's gambit accepted10.0%0.0%
D80Gruenfeld, Lundin variation10.0%0.0%
C39KGA, Allgaier, Walker attack10.0%0.0%
C67Ruy Lopez, Berlin defence, Pillsbury variation10.0%0.0%
A00Amar gambit10.0%0.0%
C30KGD, classical counter-gambit10.0%0.0%
C23Bishop's opening, Lisitsyn variation10.0%0.0%
C44Dresden opening20.0%0.0%
C25Vienna, Steinitz gambit10.0%0.0%
A83Dutch, Staunton gambit, Nimzovich variation20.0%0.0%
C95Ruy Lopez, closed, Breyer, 10.d410.0%0.0%
C54Giuoco Piano, Therkatz-Herzog variation10.0%0.0%
C23Bishop's opening, Lopez gambit20.0%0.0%
A02Bird, From gambit, Lipke variation10.0%0.0%
C39KGA, Allgaier, Thorold variation10.0%0.0%
C33KGA, bishop's gambit, classical defence10.0%0.0%

Created in 2005-2013 by CCRL team
Last games added on January 13, 2018